1. What is the difference between Approval and Consent action?

There is a difference in semantics between approval and consent: "Consent" means to give permission. "Approve" means to agree or accept as satisfactory. So if you distinguish those two concepts in your organization, the Approval Path makes it easier for you to transition your established processes to the app.

You can use distinction to better model your approval process.

From a technical perspective in the Approval Path application, there is no difference between approval and consent.