Purchasing - Most Asked Questions (MAQs)

Hi Friends,

Here are few MAQs on Purchasing which can be looked as a starter. Shall be really good to see some answers to the below questions in the comments below this post.
It would be good to collaborate on this topic, would like to kindly request your help here - please add in a couple of questions you can on Purchasing in the comments below.

Q1. What are the different authorization status can a requisition have?

Q2. Can an approved requisition be viewed in the Requisition form?

Q3. Can an approved requisition be revised?

Q4. Is the Supplier item field a validated field on Purchase Requisitions?

Q5. How can you have specific Requestor defaulted on Requisition form?

Q6. Can I change the item number in requisition lines after saving the record?

Q7. What all control actions I can perform on a requisition through Document control window?

Q8. What does the status Pre-Approved mean, and how does a document reach this status?

Q9. Is it possible to perform a receipt against a document with a status of Pre-Approved?

Q10. When a requisition is autocreated to a purchase order, supplier information is not populated in the purchase order header - Why?

Q11. The requisition can be saved without the need-by date field being populated. What setups need to be done to make it mandatory to enter the need by date ?

Looking for answers to above questions?