Most PDF libraries in .NET are wrappers. PDFium, MuPDF, Ghostscript — solid engines, but they ship native binaries you P/Invoke into. That buys you per-RID packages, Native AOT friction, the "works on my box, throws DllNotFoundException in the Alpine container" dance, and a deployment story that's never quite boring. PdfLibrary takes the other road: the PDF engine and every image codec are pure managed C#. No vendored native PDF library, no native image decoders. I'll be precise about the...