This area is where you can see your ratings and reviews.  And if you have "moderation" turned on, you can approve your reviews in this area as well.

Here are some videos on this area

You can get to this area by going here:

YourDomain.com > Modules > Ecommerce: Products (mX) > Popularity/Ratings/Reviews

Here is what your ratings area looks like:

You can enable moderation here:

(this will force the reviews on your site to be approved by you before posting to the site)

YourDomain.com > Pages > Ecommerce: Products (mX) > Product Details (mX_view_item.html) > Area A (Main) > Frame X (Products:Review This Item) > Review This Item

Please feel free to contact support if you would like specific help in setting up reviews for your products.