Fields on Sales Order Do Not Show in View Mode in Customer Center

Scenario

To display fields that are missing when viewing a Sales Order from the Customer Center.

Solution

1. Navigate to Customization > Forms > Transaction Forms
2. Click Edit or Customize Purchase Order Form
3. Click Printing Fields tab
4. Print/Email: Enter Checkmark 
5. Click Save 

Note: Steps are applicable to only Basic Printing Type selection on the form

If Printing Fields Tab is not visible, change the PDF Printing type to Basic and select the field and move back to Advanced before saving the record.