There are 2 types reviews app:
-You can install app from the link: Product Reviews
Note: This app is required and this app is free to use
Beside, you can install other apps, and it’s not used free.
-And you can install some apps from the link:
1. Display review part in the Product Item (Eg: The product in Home/Collection page)
Go to Theme settings -> General -> Choose the Review apps -> Enable/Disable “Use Rating Homepage?”
Result:
2. Review in Ptroduct Page:
Go to Theme settings -> Product Page -> Enable/Disable “Use Rating product page?”
Result
3. Review in Tab Description in Product Page:
Go to Product Page -> Sections -> Tab Description:
Click to “Add content” -> Review:
Result