Hi Robert,
It depends on the access the Administrator needs.
We recommend always using the least privilege required.
Here's a list of the built-in roles.
https://learn.microsoft.com/en-us/azure/active-directory/roles/permissions-reference
The Azure AD roles include:
Global administrator – the highest level of access, including the ability to grant administrator access to other users and to reset other administrator’s passwords.
User administrator – can create and manage users and groups, and can reset passwords for users, Helpdesk administrators and User administrators.
Helpdesk administrator – can change the password for users who don’t have an administrator role and they can invalidate refresh tokens, which forces users to sign back in again.
Billing Administrator – can make purchases and manage subscriptions.