Not worth the time

This basically only replaces the default Woocommerce review system unless you pay for a premium service, which is not mentioned at all. The “Thousands of reviews already available in our network” are only available with a paid subscription. It’s a lot of work and head scratching for nothing.
If you want to get more users perhaps make the reviews free to use, but require manual searching and importing.
Happy to re-evaluate if it actually does everything you say it does for free (which is kind of the point of the WordPress plugin repository).