Settings/Configure
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.

Review Type
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.

Toast
You can show/hide Toast
Also, you can change Toast Position,Duration and Animation.

Elements
You can show or hide the elements, image, name, time, icon, ratting and description.

Layout
You can change wrapper, column gap, row gap, and columns

Style Tab
Wrapper
You can change wrapper background color and padding.

Card
Also, You can change card background color, padding,border,radius and shadow,hover shadow

Image
You can change image background color, padding,border,radius and shadow.

Name
You can change Name Typography,color, and hover color

Time
You can change Time Typography and color.

Review Text
Also,You can change Review Text Typography and color.

Rating Icon
You can change rating icon color.

Posted On
Also, you can change text color,typography,author color and author typography
