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We know you can use different forms of markup types, like microdata, RDFa, or JSON-LD on the same page. Google also allows you to use multiple types of structured data on a page.
That means, you can potentially use reviews and pricing markup on the same page or even more. Of course, Google may not show the rich results in the search results but adding the markup, if it is in accordance with Google's schema guidelines, that is okay.
Here is Google's tweet on the topic:
Hi Ps Nihal! Using multiple types of structured data on a page is fine. However, keep in mind that Google may not be able to display all types together, so if you have a preference regarding a specific rich result type, try to focus on that type. https://t.co/dOhA2eFLGz has more.
— Google Webmasters (@googlewmc) August 26, 2019
Forum discussion at Twitter.
