Shopify Schema Markup for Assessments Widget could be fairly difficult (because it is dependent upon the evaluate apps that you're using), I recommend you allow it on the authorities.  Please check the demo instance underneath, exactly where the module is put in and configured in debug mode. It is working https://addons.prestashop.com/pl/seo-pozycjonowanie-naturalne/31857-automatyczne-google-rich-snippets-json-ld-opengraph-seo.html