Thank you for contacting support. Aspose.Pdf for .NET does not provide any visual control / tool to view the PDF files in Windows / Web applications. As a workaround, you may considering converting your PDF document to images using Aspose.Pdf for .NET and then use a standard image viewer of your windows forms application to view the images. Please see the following documentation link for details and sample code on PDF to Image conversion.
Aspose.Pdf for .NET (DOM)
Please let us know in case of any confusion or questions.
You can easily view PDF files in a winform by using a web browser control and having adobe reader installed. Drop your browser control on the form and when desired use navigate method to open the file. Like so: vwr.Navigate(c:\myfile.pdf)