Super Admin Management of Employee Self-Service Portals

As the Super Admin, am I able to manage each self-portal if needed?  Can I see who has responded to the company-wide Invitation to set up a self-portal?  Can I see each employee's Allow/Block List and/or manage it?  Can I change an employee's self-service portal password as the Super Admin?  Can't seem to find anything on this, although Sophos Chat said I am able to do most of these things (but wasn't able to direct me anywhere).