Google suggest company officials follow their structured data requirements so that their content becomes eligible to appear as high result.
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Image Source: Search Engine Journal
Using different structured data that Google supports is optional but acceptable as a result it helps Google to rank the content accordingly.
Image Source: Search Engine Journal
More on the Information:
- Using structured data guidelines doesn’t give any guarantee that the web page will appear as a result rich rather than just become eligible to appear as a result rich.
- If a company goal is to display a web page as a rich result in google, then guidelines must be followed.