Keyboard Support
    RadPdfViewer provides with built-in keyboard support and can be used as soon the control gets focused. You can focus it by iterating through the Page controls using the Tab key, alternatively, you can use a shortcut if you set the AccessKey property.
    
        <telerik:RadPdfViewer runat="server" ID="RadPdfViewer1" AccessKey="w"></telerik:RadPdfViewer>
     
    
        - Under IE and Chrome use Alt + AccessKey
- Under Firefox use Shift + Alt + AccessKey
KEYBOARD LEGEND
    Focus
    
        - 
            
                Alt
                +
                W
            
            
                Focuses the toolbar of the PDFViewer.
            
        
Closed popup:
    Supported keys and user actions
    
        - 
            
                Tab
            
            
                Focuses the next element in the toolbar.
            
        
- 
            
                Shift
                +
                Tab
            
            
                Focuses the previous element in the toolbar.
            
        
- 
            
                Enter
            
            
                Presses the focused toolbar button.