Administrator users can invite a new user for the account. Once the user accepts the invitation, they have access to all advertisers for the account. New users have read-only access by default.
If necessary, you can uninvite a user with a pending invitation.
Do either of the following:
In the main menu, click Settings > Users.
In the main menu, click Settings > Account, and then click Edit users.
In the Invitations section, click Send Invite.
In the User Email field, enter the email address to which to send the invitation.
Click Send Invite.