The EmbedReviews platform offers a variety of layouts that you can choose from and customize your reviews widget.
To change the layout, first, log in to your account and go to Reviews > Click ‘Edit’ next to the Facebook Page you want to change.
In the edit view, go to Layout & Design section and from the ‘Layout’ selection choose the type you want.
Here is a quick walkthrough:
You can select a grid, table or slider layout.
To see how these layouts will look on your website, go to the Facebook Reviews Live Demo.