An ad can be rejected when Meta's review identifies a policy issue. The relevant notice is your starting point because different policies require different corrections.
Review the whole customer experience
Check the image or video, headline, primary text, destination URL, and landing page. A reasonable-looking creative can still lead to a page with misleading claims or an incompatible offer.
Ensure the advertised product, price, and conditions match what customers find after clicking.
Common areas to inspect
Examine unsupported promises, deceptive presentation, prohibited products, sensitive personal-attribute wording, and any requirements for regulated categories.
Do not assume changing a few words fixes an underlying business-model or destination issue. Correct the substance of the problem.
Edit or request review
If the notice accurately identifies a problem, revise the relevant material before resubmitting. If you believe the decision is incorrect, use the available review option and explain why the ad complies.
Avoid disguising content to bypass review. A rejected ad and an account-wide restriction are different situations, so identify the affected scope.
A clear, accurate offer and a consistent landing page are good foundations for advertising.