Invoice Approval by Email

Summary:

Approver is responding to an Invoice Approval notification through email (ie. Outlook)

Content (required):

I'm looking for information on how the system functions when approving through an email notification. Is there any documentation that specifically notes how the system handles emails that have been forwarded to another user.

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):