This depends on the PDF image quality. It depends on the PDF files security settings. It depends on the human operator-editors expertise and skill working with the PDF and applications involved. What you specifically mean by editing? What you are wanting to do with the PDF image can also impact the editing outcome. Working with a professional graphic designer, or photographer or other creative services pro is the smart thing to do and best way to get an assessment and possibly help with the image.
PDF Viewer for Linux is available, but it does run on some outdated Linux distributions. To be safe, avoid them at your own risk. Finally, if you are using an iPad — or if you use any kind of tablet, period — it will most likely open this kind of .pdf files. Conclusion As a general rule of thumb, don't let .pdf files cross your personal email addresses — even if you want to be nice to the company that paid for that. If you run a business, you will most likely be getting this kind of .PDFs from an outside source. Always open PDF files with the latest Adobe PDF viewer in your desktop, and then don't open them anywhere other than the apps built into that device. Finally, when sending a PDF from a server (a non-personal email address), make sure it has both the “Allowed file.