How to open pdf file in Air Application?

Hi, everybody

     I trying to open file pdf from my macbook in Air Application, but it's didn't display anything to me.

Please help me. I wanna know Adobe Air can open PDF File from Mac or and Window os?

This sample code i used..

var request:URLRequest = new URLRequest("/Users/Morn/Desktop/RD_phase3.pdf");

var pdf = new HTMLLoader();

pdf.x = 0;

pdf.y = 0;

pdf.height = stage.stageHeight;

pdf.width = stage.stageWidth;

pdf.load(request);

container.addChild(pdf);

Thanks a lot,