Shopify Product Reviews only work when embedded once on each page on your store. If you already have them displaying in your main product template, you won't be able to add them again in your Hypervisual designs on the product page.
But you can add them to your landing pages:
• Inside Hypervisual, add a new Custom HTML block.
• Paste this code in:
<div id="shopify-product-reviews" data-id="12345"></div>
• Replace 12345 with the Shopify product ID of the product you'd like to insert reviews for. To find this, edit the product in your Shopify admin, and you'll find the ID number at the end of the URL in the browser address bar: