To get permission, ask your subscription administrator or owner to assign you ‘Support Request Contributor’ role for the selected subscription. Learn more about role assignments in the portal

Question

To get permission, ask your subscription administrator or owner to assign you ‘Support Request Contributor’ role for the selected subscription. Learn more about role assignments in the portal

Answer 1

The Azure AD Admin role of : Service support administrator - Can read service health information and manage support tickets.

Gives the user/group the ability to open a support ticket for the Directory however, if the user is not an owner/User Access Admin they would not be able to open a ticket on subscriptions (etc from above).

Please note the following documentation:
https://learn.microsoft.com/en-us/azure/azure-portal/supportability/how-to-create-azure-support-request#azure-role-based-access-control

Azure role-based access control
You must have the appropriate access to a subscription before you can create a support request for it. This means you must have the Owner, Contributor, or Support Request Contributor role, or a custom role with Microsoft.Support/*, at the subscription level.

To create a support request without a subscription, for example an Azure Active Directory scenario, you must be an Admin.

Important

If a support request requires investigation into multiple subscriptions, you must have the required access for each subscription involved (Owner, Contributor, Reader, Support Request Contributor, or a custom role with the Microsoft.Support/supportTickets/read permission).