This feature is available only on Spotipo Provider Plans (MSP and Operator)
Admin login has full access to Spotipo, they will be able to configure all the options, view all the sites etc.
They can be created from Control Panel->Admins.
To create a new admin user, use the "Add New" Button and provide all the required details and press Save.
Please note that the Email should be unique across Clients and Admins.
If an email is used to create a client, same can't be used as Admin