PDFDoc Scout is an ActiveX/NET library for PDF format documents generation from Visual Basic, Visual Basic.NET, Visual C#, ASP and ASP.NET.

Key Features:

Royalty free PDF documents generation including security protection options;
Full set of methods and properties to add and manage text, Unicode text, images, annotations, outlines, controls (for PDF forms "acroforms") and javascript actions;
Built-in support for HTML text formatting (including support for HTML links, images, fonts and tables), and support for XML and XSLT transformation to PDF
Fonts embedding (TTF, TTC) including Unicode text support;
Built-in EMF to PDF conversion engine including support for EMF images produced by virtual EMF printers (example);
128 and 40 bits security options, password protection options;
hDC emulation support so existing WinGDI code can be re-directed to produce reports in PDF format;
Abilty to attach files to the generated PDF doc;
Ability to handle produced PDF document in memory without need for temporary files and provide on-the-fly generation directly into browser (with ASP and ASP.NET);
"One pass writing" mode support (PDF is streamed directly to the file without storing in memory) for hi-speed large PDF documents production;
Full bookmarks generation support;
Barcode drawing support;
Jpeg, Flate (BMP), CCITT 3, CCITT 3 (2D), CCITT 4 image compression modes support;
Support for PNG, TIFF, GIF images support (via additional free addon)