How do I view purchase order with need by date ?
- Login to your SAP Business Network Account (https://supplier.ariba.com)
- Go to Workbench menu and Customize your workbench
- Add new tile

- Select Items to ship and click Apply to save the change
- Click on Items to ship tile

- You may configure filter by puting only Creation Date and click Apply to save the change.

- Now your workbench menu will show Purchase Order with Need by date column
Learn more about customizing workbench in SAP Business Network General Functionality Guide (Steps by steps)