Grant API permission

After registering the application, you must grant the API permission for the application to read the information from Entra ID.

Sign in to the Entra account and navigate to Manage > API permissions > Add a permission.
In the Request API permissions page, select Microsoft Graph > Delegated permissions.
In the search bar, type "directory" and select the Directory.Read.All checkbox.
Click Add permissions. The request must be granted by the administrator.