to disable/enable review on storefront go to General Settings
Reviews Edit
Any review can be edited or moderated.
Status: Review status will determine if the review is displayed or not. MUST be "ON" for review to appear in your store.
Author: the Author name as it will appear in the front-end. note: Author must be between 3 and 64 characters!
Product: select category where product is located then select product the review is about.
Text: enter a reviews text.
Review Text must be between 25 and 1000 characters!
Rating: The the review rating. Bad is 1 star, Good is 5 stars.