You can add an unlimited number of users with the same or lower access level than yourself. Not everyone necessarily has access to add/edit users. Click the edit icon to the right of Users. Fill in all fields on det left side. Select available access group(s) or leave it open for minimum rights. Select which location(s) the user should have access to. Note: If you don't see "Add user" you don't have the necessary rights. You can edit existing users with the same or lower rights than you in your organization. Click the edit icon to the right of Users. Edit the desired user by clicking on the edit icon to the right of the user. Make the desired changes to the user and press save. 
