This can only be accessed when you upgrade your account to Premium. They are based on a Monthly or Yearly subscription.
To get started, login to your account. Then click on the Down Arrow on the top right corner and select Account Settings.
Click on Manage Users tab and click Add User(s) to access Users page. This administrated control allows team supervisors to add/edit and Manage Users.
You then click on Add New User.
Under Add/Edit User, you can add/edit Full Name, Email/User ID, Password and choose User Role(s).
You can also choose to Notify user via email. This allows you to receive emails once you add/edit users. Click OK to finish.
After Add New User, it will appear in the Pending users category. Click on Pay to Activate Users.
Hint: Only already paid users will appear in Current Users category.