Search for your purchase order as usual and click "Find"
image.png
Make sure your purchase order appears in the bottom window. Click "Print Purchase Orders" at the top.image.png

Choose either "Print Purchase Orders" or "Reprint Purchase Orders", depending on whether you have printed it before or not. Click the checkbox for "Create Attachments" and Select your Printer in the drop-down. 
image.png
Click the green "OK" button at the top of the screen.
Windows will pop up asking if you want to print change orders and notes. Click OK for both.
You will get another window where you will choose "File" or "Printer." Make sure this is set to "Printer" and "Default" is chosen in the printer drop-down and click OK.
Go back into the same Purchase Order. There is now a PDF attachment of the PO.
Look for the Orange highlighted Attachments icon and Click on it. image.png

You should see a screen like this. Double click the yellow highlighted file.image.png

This should download a PDF, OR it will open a PDF in your browser window that you can save to your computer.