Creating a PDF(Portable Document Format) file from a Word document is very simple. Yet many people are confused by how to accomplish the task. It seems logical that one would create a PDF by using the Save or Save As dialog boxes. But you can create a PDF file using MS-Word via SaveAsPDFandXPS addon.
SaveAsPDFandXPS in Microsoft-Office eliminates the hassle of converting Word Documents into PDF by using third party or online tools. But still, you cannot open the PDF format files using MS-Office. To open PDF files you have to use PDF Softwares like Adobe Reader or Foxit Reader etc.
How to Create PDF Files Using MS-Office: