STEPS:

Log in to your Tag Manager account. In the main panel, you must go to the part where it says "Administrator". It appears in the white ad bar just below the search engine.

How to give access to Google Tag Manager

Easy Guide

On the Administrator page, go to the "Account" settings and click on "User Management".

You will see the page to send invitations, you must write the email address that your Adsual agent gives you. Then below you have to check the box "Administrator".

Finally, click on the blue "Invite" button.

Once logged in, the "Account permissions" page will open, go to the right side, click on the blue "+" symbol and then click on "add users".

AND ALL DONE, that would be the total of steps to follow

We hope you found it helpful!