Hi Dan,
We can view the PDF document in the Windows form using the web browser control as shown in the code snippet below,
webBrowser1.Navigate("Sample.pdf");
Note: Without Acrobat reader we cannot view the PDF on a WinForm
Herewith I have attached a sample for your reference.
http://websamples.syncfusion.com/samples/PDF.Windows/f60725/main.htmI hope this would meet your requirement.
Please let me know if you have any other queries.
Thank you for your interest in Syncfusion products.
Best Regards,
Bhuvaneswari.