I am creating template which is part to be completed by person A, I have hidden the sections for person B, which works fine. I am unable to find any

Your message is incomplete. Would you mind providing us the details of your concern? Are you trying to create an approval form? If so, please check this guide https://www.jotform.com/help/432-A-General-Approach-on-Building-an-Approval-Process-Workflow.

Looking forward for your response.