After providing the estimation of material requirement as well as the work order next step comes for the production order to receive
MRP--> Production Order--> Add Production Order
Select the receiving work order number of the sample in the first section field and then automatically in the work order information it will show all the product information of that specific work order along with quantity of production. As well as providing the entry, scheduled, start and end date.
After that a production order will be generated as PRD-xxx which will be showin in the production order list from there you need to accept or start progress the PRD since after generating it will be in pending. So an approval is required for further advancement.