Hi tpathan,
Refer below sample.
Code
C#
private void Form1_Load(object sender, EventArgs e)
{
webBrowser1.IsWebBrowserContextMenuEnabled = false;
webBrowser1.AllowWebBrowserDrop = false;
string filePath = @"D:\Files\Sample.pdf";
string html = string.Format( "<iframe src='{0}#embedded=true&toolbar=0&navpanes=0'></iframe>", filePath);
webBrowser1.DocumentText = html;
}
VB.Net
Private Sub Form1_Load(ByVal sender As Object, ByVal e As EventArgs) MyBase.Load
webBrowser1.IsWebBrowserContextMenuEnabled = False
webBrowser1.AllowWebBrowserDrop = False
Dim filePath As String = "D:\Files\Sample.pdf"
Dim html As String = String.Format("<iframe src='{0}#embedded=true&toolbar=0&navpanes=0'></iframe>", filePath)
webBrowser1.DocumentText = html
End Sub