How to migrate Procurement workflow from an instance to another

Summary:

Export and import feature in FSM for Procurement approval workflow are disabled. Is there any other way to do

Content (please ensure you mask any confidential information):

We are approaching go-live, and have around 5,000 rules to create across PR, PO and BPA approval workflows.

2 users cannot work simultaneously on the same object.

I would like to confirm if there is a way to migrate (export/import) Requisition Approval workflow and Purchase Documents approval workflow

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