ReviewX gives you more flexibility in filter option. Now you can set your each filter item by your own choice. To show the filter items [ like photo review, video review, top, low, text etc] you just need to check the items.
Go to WordPress Dashboard > ReviewX > WC Quick Setup > Settings > Enable filters.
Your set filters will now available on the single product page filter dropdown.
Having difficulties? Feel free to reach out to our Dedicated Support Team.