Use the DevExpress PDF Viewer Control to display PDF files directly in your WPF application without the need to install an external PDF viewer on your end user's machine.
DevExpress engineers feature-complete Presentation Controls, IDE Productivity Tools, Business Application Frameworks, and Reporting Systems for Visual Studio.
WPF PDF Viewer
The DevExpress WPF PDF Viewer Control makes it a breeze to display PDF documents directly in your Windows application without installing an external PDF viewer on your end user's machine.