If you want to save a word file into a pdf and your current word application is still unable to do so, all you have to do is incorporate an add-in to Microsof Office so you can start Saving your word document to pdf.
The add-in to Save your word document to pdf is
2007 Microsoft Office Add-in: Microsoft Save as PDF or XPS
The link to download that add-in below:
http://www.microsoft.com/en-us/download/confirmation.aspx?id=7
