I am evaluating BPM offerings to be used within our application. I wanted to find out
If you're specifically looking at web forms and piping data around, any of the form vendors like Typeform, Wufoo, etc. would be a better fit. You can use Zapier to then pipe data around to other apps from form submissions.
Here's a review of more generic BPM capabilities and a guide to BPM. You should really prioritize the app itself for end users, the user experience.