You can use Syncfusion .Net PDF library to create, read, and edit PDF documents programmatically.
With this library you can convert HTML,Word and Images to PDF.
Please find the some helpful links to get started.
HTML to PDF conversion
Word to PDF conversion
Image to PDF conversion
To find more details refer the PDF help documentation.
(Disclosure: I'm ...
If you’re looking for a library that can be used server-side to convert different image and document formats to PDF, one option is the LEADTOOLS Document Imaging SDK. (Disclosure: I'm a LEAD employee).
The SDK supports splitting, merging and converting, from and to PDF, among other features.
If you also need to convert text in images to searchable PDF, you ...