Summary: 

To export or download a combined picklist for Sales Orders

Steps:

1. Go to Sales > Orders 
2. View Sales Orders
3. Tick the Sales Orders as desired, hover over the action cog, and select Print Documents
4. Select Combined Picklist in the pop-up window
5. Your Picklist is now being downloaded, you can check the status of this process by clicking on the tasks icon and download the file when the Bulk Print Picklist is ready

Additional Information:

You can also amend the Document Designer layout for this Combined Pick. If you go to Settings > Doc Designer > Combined Picklist.