AlivePDF is a set of libraries, totally free, to be used and referenced by programmers. From these libraries, through source code, you can create images and drawings from PDF documents, using only AS3.
Also with AlivePDF libraries, and always using source code, you can enter images, in BMP format, into the PDF you indicate; It also allows you to edit the file headers, as well as capture text, and so on.
AlivePDF works with ActionScript 3, Open Source library and with MIT license. In short, it is a set of somewhat basic libraries, but they can help you at certain times.
You can free download AlivePDF 32, 64 bit and safe install the latest trial or new full version for Windows 10 from the official site.