During our editorial review process, we reject product offers that violate one or more of the Microsoft Advertising Policies and Guidelines. Some rejected product offers are non-appealable; these include:
If your rejected product offers are non-appealable, you can review the advertising policies and guidelines and make changes to your offers. Then, reupload your catalog feed file in Merchant Center. Each time you upload a feed file for your store, we automatically check to see if the product offers comply with our policies and guidelines.
If you need further assistance, you may contact support.