Hi Kevin,
If you haven't already, it could be worth contacting the add-on developer direct or looking through the docs here: https://chicago.herzum.com/confluence/display/HAP/Herzum%20Approval%20Documentation (although, I made a quick search and didn't find much to help).
You could create a ticket for the developer at: https://chicago.herzum.com/jira/secure/CreateIssue!default.jspa
In the meantime, I've tagged this question so maybe someone who knows or is involved with the add-on will be able to find it and help.
Sam
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