To export a PDF of Test The Market, please head over to the Listing Tools tab. Click on Test The Market and create the report. Next scroll to the graph section named Number of Matched Buyers for a Range of Target Prices. Here you can click on the button Export as PDF.
This is an example of what a Test The Market: Buyer Demand Report may look like once you've exported the PDF for your records.
You may also want to print this PDF if your browser allows.