There are many ways you can do this with Blocs. I have used a carousel in the past but I started using a free tool that uses Google reviews called Review Maker. https://www.reviewsmaker.com
It very easy to use, it gives you the code and just use the code widget in Blocs. You can configure it several ways but I’ve found using a 7-row column works well on all break points. Here’s an example from one of the sites I use it on. Just scroll down the page to the review section.