This shows you just how to ask Facebook to remove reviews from a business Web page. Facebook will only delete reviews that violate their Area Specifications.
How Do You Delete Reviews On Facebook
Steps
1. Open up Facebook. It's the blue symbol with a white "f" in the application drawer.
2. Most likely to the review you intend to erase.
3. Touch the downward-pointing arrow. It goes to the top-right corner of the review. [1]
4. Click Report.
5. Select a reason. The review will just be deleted if it goes against Facebook's Community Criteria. [2] Once you select a reason, comply with the on-screen instructions to submit your request.