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.