https://www.iskysoft.com/pdf-tips/how-to-rotate-pdf-and-save-permanently.html PDF files are a standard for scanned documents in many places. You may receive a PDF document that is upside down. In most cases, the straightforward thing to do would be to rotate PDF and save it. You might think to use Adobe Acrobat to rotate PDF documents. However, in most of the time, the rotate and save PDF function is not working and every time you open the PDF will be in a wrong orientation.