[CustomPress] Printing custom post type

The client wants an option to click on an icon on the post and have it print or create a pdf. I have a css file that lays out the printed page but when I use some of the common plugins that create pdfs and prints pages it does not include the content from the CustomPress plugin - any ideas on how to add a buttons that will allow them to print and create a pdf from the custom post type page. An example would be https://hotlineforwildlife.org/field-guide/bats/