The organization admin portal has has 4 main sections:

Overview of the Organization Admin Portal
(1) The List of Managed Organizations lists the organizations for which the logged-in user has administrator privileges. If the logged-in user manages multiple organizations’ CalendarBridge accounts, the user can use the list of managed organizations to select among the organizations.
(2) The List of Managed Domains lists the domains that are associated with the organization selected in (1), and for which the logged-in user has administrator privileges on the Google or Microsoft server/tenant. To add managed domains to your account, contact support@calendarbridge.com.
(3) The Panel Selection control enables selecting between the Manage Users Panel and the Manage Syncs Panel (Each of which is described in its own section of the documentation).
(4) Either the Manage Users Panel or the Manage Syncs Panel, depending on which is selected in (3).