Google Customer Review and Product Reviews Program
It often gets confusing when we see two similar programs related to reviews and ratings in Google Merchant Center
like the Customer Reviews and the Product Ratings.
Let's understand the difference with the help of an example from headphone Zone’s Ads res
Note: Google displays Customer Ratings in various formats, including the rating count with overall aggregate and in the form of a percentage of positive feedback from other customers who have previously purchased a product from the same store.
Google Shopping Ads:
Product Details page of Shopping Ads: