1. Go to Admin -->Apps --> Rivyo product review --> Settings --> Settings.
2. You will find the option of Show customer image & Show review image in product detail review.
3. Please refer below image how it will display in Front-end.
-If you enable both the option shown in above image then it will display like this as per the below image.
-If you disable both option then both section will remove from the review page in front-end.