I have products with multiple reviews on a single page that I'm trying to add microdata to. I've managed to get the average rating and number of reviews listed so it shows the stars using the structured data testing tool. Is this good enough or should I go further and create microdata for each of the reviews on the page? I don't see a point in doing that unless doing so would result in Google being able to display one specific review from the page in it's results. For example, if I had 10 reviews on a page would Google be able to list 10 different results in the index depending on the search query? Such as someone searching by author name or actual review text? If Search engines can do this I'll definitely add review schema for each review on the page.