Account owner 

The account owner is a user who originally set up Quatrix account and has access to perform any actions in the account. They own and manage the account for as long as they are the account owner. At any point, the ownership rights can be transferred to someone else in the account.   

Account admin 

The account admin can manage users, groups, account storage and access control. Admins can delegate admin rights to other users.

Billing admin

The billing administrator has permission to manage invoices/payments.