Users with Administrator level permissions can elevate or remove permissions from message senders, moderators and other administrators. They cannot elevate or remove permissions from a user with Account Owner level permissions.
Users with Account Owner level permissions can elevate or remove permissions from any other level of user within their account.
To do this, you would drop down the "Users" menu and select "Active" in the menu bar at the left side of your screen.
Find the user you wish to manage permissions for and click the pencil to the right of their name:
Select the role you would like them to have from the dropdown and click "Update User".
There are four different permission levels for users within ThruText — Account Owners, Administrators, Moderators, and Message Senders. Click here for a full description of each of the four permission levels.