Ensure you have Full Control Access to the CP otherwise you will not be able to add a user.
With Full Control Access, select the +User Button.
You will be met with three different options to choose from.
Company - an entire company can be given permission to access.
User within a company - Individual within a company can be selected.
Non-registered User - Users that do not have accounts can be included to receive notifications.
Access Rights:
Read - Only the ability to read the CP.
Read Only (Extended) - The same as read, but the ability to approve and reject the CP.
Edit - The ability to view and also edit the CP.
Full Control - CP Admin will allow user to copy this CP, share this CP, and modify permissions on this CP, as well as view and edit this CP.
Removing or Editing a users rights:
Select the three dots next to the users name and choose to either Edit Access or Completely remove a user from a CP.
