The Product Rating block works on Single Product Templates and pulls the data from  Products Data Tabs> Reviews block each product individually. You’ll need to have WooCommerce installed to be able to use this block.

Adding the Product Rating block to your Single Product template

1. Under Design > Blocks > WooCommerce Template Tags > Additional Information > Drag and Drop the Product Rating block to the page.
   
2. Once added, click on the Product Rating block to open its settings. There you’ll find the content settings for Star Rating alignment, Size, and Space Between the stars.
   
3. On the Advanced tab, you will find more options to add more star styles, spacing, attributes, and device visibility.
   
4. That’s it! Make sure to always save your work.