The system by default does not allows salespeople to edit prices of items in prebooks that already been purchased (added to a PO). With this option enabled for a given user, they will be able to edit sales prices.
How Does this Option Work for Salespeople?
Salespeople are allowed to change the header information for a prebook (the customer, truck date, carrier, ship via), as well as the mark code. When users with this role try to change the price of a product, the next message will appear:
Instructions
To set an exception to the above explained behavior for a user, follow the next instructions