Reports

Depending on what information you want to generate reports from, you might take a look at an app called "Heart Reports". It lets you generate some nice reports from the data in your Health app. I find it's often more useful than exporting the data from Health. But, you can also export data from Health:

Share your data in Health on iPhone - Apple Support

You can share your Apple health data with your Doctor.

Regarding a report, Apple Inc says; "We read all feedback carefully, but we are unable to respond to each submission individually."

Here is how for iPhone · Country or region* Select your country or region. · Feedback Type* Select feedback type. · Comments* Enter a comment.

Feedback - iPhone - Apple