Converting a page created with panel into PDF
Yes, you can, dowload Printer, email and PDF versions, patch module with Can Panel pages be sent to PDF for rendering?, download wkhtmltopdf libary, place it under /sites/all/libraries, and configure your module like: , and inside panels add print PDF widget like:, done!.
EDIT: today 7/7/2020 panles 7 had an upgrade, be carefull, i think patch apply to an older version in panels.