The customer admin page allows you to change properties of the customer, add and edit existing users. Provided you have Customer Administrator privileges.
Press 'Hamburger' Icon
Clicking on the "hamburger" icon on the top right of the page will display the Manage Customer Actions.
Manage Users
This table shows the users and their type for a specific customers. New users can be added by pressing ADD NEW USER. Existing users can be edited, locked and deleted using the user-level actions