With the Author Categories feature in PublishPress Authors, you can add Schema.org data to each category. The list of available options is on this Schema.org page. Some examples include:
In this example screenshot below, we're adding the “reviewedby” property to uses in the “Medical Reviewer” category.
When you test it using tool such as https://validator.schema.org you will see something like this:
PublushPress Authors integrates with the Yoast SEO or Rank Math SEO plugins to show schema data for your authors.
If you have the PublishPress Authors plugin installed, plus either Yoast or Rank Math, the schema data will be available automatically. No configuration is needed.