If you get a request to link an Ads Creative Studio account that you don't want to approve, you can reject it.
- Open your advertiser in Display & Video 360.
- In the left menu, click Advertiser Settings, then Linked Accounts.
- Find Ads Creative Studio, then click Integration center.
- Click Manage. If there's no manage option, there are no pending link requests to reject.
- Click Approval needed to show only pending link requests.
- Select the request you want to reject, then click Reject.