How to route approval to an outside approver not part of the organization?

Summary:

We have a business scenario where for certain types of purchases, an approval is required from a person outside the organization. This person is not going to be having a user account in Oracle and also not be set as an Employee. The expectation is that the approval routes to the person via email only without any hyperlinks to view the requisition and containing only the basic requisition information. Using that information they should be able to approve the requisition. Is something like this supported?

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