The AzMan db schema are created under vCAC database BUT the AzMan extended stored procedures (5 of them) are created under Master database and thus sysadmin right is required for installation. The install account's db sysadin privilege can be revoked once the installation is complete.
In your case the install account might have had 'sysadmin' privilege. The functions of these stored procs are described by their names. Check if you have the followings:
