If you're preparing a paper for a conference submission or if you just want to ensure that your .pdf looks exactly the same on someone else's computer as it does on yours, then you need to know how to embed the fonts used in your pdf in the file itself. In this article, I'll show you how to do this in Linux and how to verify that you've done it successfully. If you want information about doing this in Windows, check how to embed fonts in pdfs in Windows.
The PDF Renderer is just what the name implies: an open source, all Java library which renders PDF documents to the screen using Java2D. Typically this means drawing into a Swing panel, but it could also draw to other Graphics2D implementations. We hope you will come up with cool things to do with it that we never thought of.