Navigate to [https://platform.admatx.com/](https://platform.admatx.com/)
Click "Admin" and Select "Users"
Click "+ User"
Click "Admin"
Complete Required Fields
Click "Submit"
Click "+ User"
Click "User"
Enter required fields
Click Advertisers and select the desired advertisers
Click "Submit"
Click "Update Advertisers" for the desired user
Add/Remove advertisers
Click "Submit"
Click the person+ icon
Click "Submit"