The answer is no, nowhere does it say it can convert HTML to PDF.
- Creates PDF documents on the fly from any .NET language
- Easy to understand object model to compose documents
- One source code for drawing on a PDF page as well as in a window or on the printer
- Modify, merge, and split existing PDF files
- Images with transparency (color mask, monochrome mask, alpha mask)
- Newly designed from scratch and written entirely in C#
- The graphical classes go well with .NET
Yes, there are libraries that do this (with varying success), consider JavaScript and CSS and all the shenanigans that can appear on a web-page, it's rife with problems. However, you will need to research these yourself.