As a service administrator, your view in My Services is limited to the users and roles for the services that you are assigned to manage. You see only the roles at the service level. In addition, you are limited to mostly search, view, and read-only functions. For example, you cannot create roles or user accounts, but you can assign an existing role to an existing user account.
The service administrator role gives a user the following privileges:
Access to some security features in the My Services application, including:
Managing the Roles Assigned to a User
Displaying Roles and User Assignments
Access to other features in the My Services application, including service and usage monitoring.