OrdoPDFReader is an ActiveX component PDF viewer which lets you:
To view PDF file OrdoPDFReader uses PDFium (licensed under BSD by Google / Foxit). It uses recent binaries compiled by Benoît Blanchon.
PDFium_x86.dll must be in the same directory as the ActiveX component.
The component OrdoPDFReader.v3.ocx has no other dependency than PDFium_x86.dll, the common VB6 files (already present in the latest versions of Windows) and possibly a version of Tesseract-OCR/OrdoOCR if you want to use the OCR function.
Warning ! Version 3 is not binary compatible with version 2, which is still available here
The sources of a draft version of this control are available here on VB-Forums
The SDK contains a VB6 example, redistributable installers and OrdoPDFViewer which is a lightweight, multi-tab PDF viewer program that you can install as your default PDF reader.