materio-d8/web/modules/custom/materio_commerce/materio_commerce.module

<?php
// use Drupal\Core\Form\FormBuilder;
use \Drupal\Core\Link;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\EntityFormInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\user\EntityOwnerInterface;


function materio_commerce_form_alter(&$form, &$form_state, $form_id) {
  if ($form_id == 'commerce_checkout_flow_multistep_default') {
      if ($form["#step_id"] == "review") {
        // $form['buttons']['continue']['#value'] = t('Desired Custom Text Here');
        $form['actions']['next']['#value'] = t('Place your order');
      }
  }
}

function materio_commerce_form_commerce_order_add_form_alter(&$form, &$form_state, $form_id) {
  $currentUser = \Drupal::currentUser();
  $roles = $currentUser->getRoles();
  if (in_array("admin", $roles)){
    $form['type']['#default_value'] = 'materio_order_type';
    $form['type']['#disabled'] = true;

    $form['customer']['uid']['#selection_handler'] = 'default:user_by_email';
  }
}

function materio_commerce_form_role_delegation_role_assign_form_alter(&$form, &$form_state, $form_id) {
  

  /** @var \Drupal\Core\Entity\EntityFormInterface $form_object */
  $form_object = $form_state->getFormObject();
  // if (!($form_object instanceof EntityFormInterface)) {
  //   // We're only interested in forms for an entity.
  //   return;
  // }
  /** @var \Drupal\user\UserInterface $account */
  $account = $form_state->getBuildInfo()['args'][0];
  // $entity = $form_object->getEntity();
  // $entity_type_id = $entity->getEntityTypeId();
  // if (!($entity instanceof EntityOwnerInterface) && $entity_type_id != 'user') {
  //   // We only act on entities that have an owner, and user entities.
  //   return;
  // }

  $license_storage = \Drupal::entityTypeManager()->getStorage('commerce_license');
  $licenses = $license_storage->loadByProperties(['uid' => $account->id()]);
  
  if ($licenses) {
    foreach ($licenses as $lid => $license) {
      $licensed_role_id = $license->license_role->target_id;
      $form["account"]["role_change"][$licensed_role_id]['#disabled'] = TRUE;
      $form["account"]["role_change"][$licensed_role_id]['#default_value'] = TRUE;

      $product_variation = $license->getPurchasedEntity();
      $product = $product_variation->getProduct();

      $granted = $license->getGrantedTime();
      $expires = $license->getExpiresTime();

      $license_edit_url = $license->toUrl();
      $license_link = Link::fromTextAndUrl(t('edit license'), $license_edit_url);

      $order = $license->getOriginatingOrder();
      $order_url = $order->toUrl();
      $order_state = $order->get('state')->first()->getValue()['value'];
      $order_number = $order->get('order_number')->first()->getValue()['value'];
      $order_link = Link::fromTextAndUrl(t("order @num (@state)", array(
        '@num' => $order_number,
        '@state' => $order_state
      )), $order_url);

      $form["account"]["role_change"][$licensed_role_id]['#description'] = t("This role is granted by a license. It cannot be removed manually.<br/> @product: @variation | granted: @granted | expires: @expires | @license_link | @order_link", array(
        '@product' => $product->getTitle(),
        '@variation' => $product_variation->getTitle(),
        '@granted' => date('d-m-Y', $granted),
        '@expires' => $expires === "0" ? 'never' : date('d-m-Y', $expires),
        '@license_link' => $license_link->toString(),
        '@order_link' => $order_link->toString()
      ));

    }
  }


}

function materio_commerce_form_user_form_alter(&$form, &$form_state, $form_id) {
  if ($form_id !== 'user_form') return;

  // WE USE FORM OBJECT TO GET THE ENTITY instead of followings
  // $mail = $form['account']['mail']['#default_value'];
  // $user_storage = \Drupal::entityTypeManager()->getStorage('user');
  // $users = $user_storage->loadByProperties(['mail' => $mail]);
  // $user = reset($users);
  // $roles = $user->getRoles();


  /** @var \Drupal\Core\Entity\EntityFormInterface $form_object */
  $form_object = $form_state->getFormObject();
  if (!($form_object instanceof EntityFormInterface)) {
    // We're only interested in forms for an entity.
    return;
  }

  $entity = $form_object->getEntity();
  $entity_type_id = $entity->getEntityTypeId();
  if (!($entity instanceof EntityOwnerInterface) && $entity_type_id != 'user') {
    // We only act on entities that have an owner, and user entities.
    return;
  }

  $license_storage = \Drupal::entityTypeManager()->getStorage('commerce_license');
  $licenses = $license_storage->loadByProperties(['uid' => $entity->id()]);
  
  if ($licenses) {
    // $form['license'] = [
    //   "#type" => 'fieldset',
    //   "#title" => 'licenses'
    // ];
    foreach ($licenses as $lid => $license) {
      $licensed_role_id = $license->license_role->target_id;
      $form["role_change"]["widget"][$licensed_role_id]['#disabled'] = TRUE;
      $form["role_change"]["widget"][$licensed_role_id]['#default_value'] = TRUE;


      $product_variation = $license->getPurchasedEntity();
      $product = $product_variation->getProduct();

      $granted = $license->getGrantedTime();
      $expires = $license->getExpiresTime();

      $license_edit_url = $license->toUrl();
      $license_link = Link::fromTextAndUrl(t('edit license'), $license_edit_url);

      $order = $license->getOriginatingOrder();
      $order_url = $order->toUrl();
      $order_state = $order->get('state')->first()->getValue()['value'];
      $order_number = $order->get('order_number')->first()->getValue()['value'];
      $order_link = Link::fromTextAndUrl(t("order @num (@state)", array(
        '@num' => $order_number,
        '@state' => $order_state
      )), $order_url);

      $form["role_change"]["widget"][$licensed_role_id]['#description'] = t("This role is granted by a license. It cannot be removed manually.<br/> @product: @variation | granted: @granted | expires: @expires | @license_link | @order_link", array(
        '@product' => $product->getTitle(),
        '@variation' => $product_variation->getTitle(),
        '@granted' => date('d-m-Y', $granted),
        '@expires' => $expires === "0" ? 'never' : date('d-m-Y', $expires),
        '@license_link' => $license_link->toString(),
        '@order_link' => $order_link->toString()
      ));

    }
  }


}