Select the block, you will see the settings option in the right sidebar. You can see there are 2 tabs for configuration: General and Style.
In business reviews settings, you can set up your reviews.
Also, can show or hide the google,facebook, yelp and position set top,middle and bottom.
You can show/hide Toast
Also, you can change Toast Position,Duration and Animation.
You can show or hide the elements, image, name, time, icon, ratting and description.
You can change wrapper, column gap, row gap, and columns
You can change wrapper background color and padding.
Also, You can change card background color, padding,border,radius and shadow,hover shadow
You can change image background color, padding,border,radius and shadow.
You can change Name Typography,color, and hover color
You can change Time Typography and color.
Also,You can change Review Text Typography and color.
You can change rating icon color.
Also, you can change text color,typography,author color and author typography