Reviews and testimonials sections are display on every site homepage. In ecommerce sites it shows on every product pages. Review is best way to check your product value quality in market. When any customer buy your products their reviews and helpful for companies. Positive reviews and testimonials help to generate more sales encourages new visitors. Extendons offer a multiple features reviews extension. Admin can approve and disapprove from backend. Notification alert on new testimonials submission. More info: opencart review module
Will be posted after admin approval.