This article will help you manage your Users in the Delivery Trust subscription from a Admin perspective.
Log into your Identillect account via https://identillect.com using the Chrome browser (or Mozilla)
Click on Business in the drop-down menu
On the Users tab you will see your a.) Active users and can b.) +Add Individual User (or c.) Import multiple Users)
Enter in User Information, allocate any Add-on(s) that you would like the user to have, then select Save. The New User is automatically sent an invitation, unless you uncheck the “Send an Invitation” box.