Print Picking Lists
Picking lists can be printed from the the sales orders grid actions dropdown.
Admin > Sales > Orders
Select orders by using the checkbox next to them
Use the Actions dropdown to select the type of picking list to print
Print Picking List: Print all as a single picking list.
Print Order Picking List: Print per order picking lists
Example Picking List.
Example Order Picking List
Admin: Stores > Configuration > Sales > PDF Print-outs