Hello,
Thank you for contacting Rank Math today.
Unfortunately the review schema was recently deprecated by Google and it is no longer viable to use it since it is not supported.
You will need to set the schema type to blog post for the referenced link.
Please take a look at this page for more info on this: https://rankmath.com/kb/how-to-fix-review-schema-errors/
Looking forward to helping you. Thank you.
Thanks a lot Michael, that helped me add the score. Though I wonder, if I write a review about a product but I do not sell the product and I do not have woocommerce. What I do have is a website where I review tech, do I need to classify the post (product review) as a “product”?
Additionally, is there a way to show the “rating” of a product in a different way than all the way on top, bottom or both?
Hello,
Yes, you could use the product schema as suggested here: https://support.google.com/webmasters/thread/15442688?hl=en but be sure to include all the product information since if not you will get errors in the product schema.
You can use the option to use the custom shortcode and place it wherever you want in the page:

Looking forward to help you.
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This reply was modified 5 years, 3 months ago by
Alberto.
Thank you Alberto,
Though I was wondering if it was possible to tell rankmath: “Use this score as snippet” for example. Because I think we can both agree that this looks ugly. Is there a way to make it look nicer or something?

And every time when I edit my page, the “Product In-Stock” changes back from 0 to 1. Which is quite annoying.
Hello,
Thank you for contacting Rank Math today.
We don’t have a feature like “use that score as the snippet” but could try to customize it by using CSS, I am sure you could get good results.
Looking forward to helping you. Thank you.
Hello,
Since we did not hear back from you for 15 days, we are assuming that you found the solution. We are closing this support ticket.
If you still need assistance or any other help, please feel free to open a new support ticket, and we will be more than happy to assist.
Thank you.