The best practice would be to open a single requisition that has multiple positions to be filled. This will allow you to have one requisition with all job seekers attached and that requisition will have multiple selections.
You can use this OFCCP audit checklist to ensure you're doing what is required to maintain OFCCP's regulations including VEVRAA, Section 503, and EO 11246. Or request a demo to streamline your compliance and recruiting efforts.