Depending on the Azure configuration, you are required to either assign users to the new enterprise application, or specify that user assignment is not required.
Select Microsoft Azure.
Select Microsoft Entra ID.
In the Manage section, click Enterprise applications.
Select the application that you created.
On the application overview page, in the Getting Started section, select Assign users and groups.
In the Manage menu, select Properties.
On the Properties page, in the Assignment required? section, select Yes or No.