Can you add reviews to Google Shopping?
From within Google Ads it’s possible to add star ratings to your Google Shopping ads. Doing this can show shoppers how reputable your products and brand are, increasing your reputation and making your ads more attractive.
The Google Ads extension ‘Seller ratings’ pulls review data from your domain which can then be shown as part of your ads on the carousel.
Read about the process and what prerequisites you have to meet to display star ratings