Invoice Approval Routing based on PO Amount

Summary: Invoice Approval Routing based on PO Amount (There is no attribute available for PO Amount in the Payables Approval Workflow spreadsheet). Is there any workaround anyone has used?

Content (please ensure you mask any confidential information):

The scenario is of a Capex PO, where we have a requirement that based on the PO Amount, they have certain approval requirements and documentation requirements to be verified by approvers before the invoice is paid.

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

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