Hello Nicholas,
Apologies for the late response.
When MedicationRequest is posted via FHIR, the medication should ideally show up on PowerOrders or on a MPage that has Orders section.
I understand that, within PowerOrders, the Orders for Signature is a process, where you can sign all the orders on the orders scratchpad. With the current capabilities supported with MedicationRequest, I am not sure if there is a way to hook that with prescribing workflow. However, if you can provide a little more detailed description please, on the workflow to help understand this better? I can put this as an idea for future enhancements.
For DrugAdmin, currently we do not support write workflows, search capability is supported as of now.
Thank you
Davis (Oracle Cerner)