You can’t satisfy everyone. There will be people who will leave bad reviews of your product. When you don’t have negative reviews, others consider it to be too good to be true as well.
The critical aspect of a social media manager is to handle negative reviews and comments with grace.  Ask for specific examples and dig deeper into it.
Dealing with negative comments online is vital. Hence, a candidate must have a proper plan to execute. Win an argument, or negative feedback is not an option.