View PDF in WinForm VB.NET (edit)

https://www.codeproject.com/Articles/37458/PDF-Viewer-Control-Without-Acrobat-Reader-Installe

http://vbcity.com/blogs/xtab/archive/2012/12/12/how-to-view-a-pdf-document-in-a-windows-form.aspx

https://social.msdn.microsoft.com/Forums/en-US/d058f5b0-8a49-4187-b69c-b949bafe4401/how-to-open-pdf-file-in-vbnet-win-form?forum=vblanguage

https://stackoverflow.com/questions/1324601/displaying-a-pdf-on-a-windows-form

https://www.c-sharpcorner.com/forums/display-pdf-file-in-winform

https://www.e-iceblue.com/Tutorials/Spire.PDFViewer/Program-Guide/Open-PDF-Document-with-C-VB.NET-via-PDF-Viewer.html

PdfiumViewer

https://github.com/pvginkel/PdfiumViewer

Source code sample