If you still are having trouble making the pdf through the other options, you could sign up for a free trial here: http://createpdf.adobe.com/ You upload your Word Document and it gives you back a PDF.
I use cutepdf to convert my MS Word file to pdf. It acts like a printer and printed my MS Word file to a pdf file. Quite good. hee.. Here's the link to cutepdf: http://www.cutepdf.com/Products/CutePDF/writer.asp
I've been using http://www.pdfforge.org/ and what the pdf files are often no bigger than the original word documents - and that's quite a significant thing.
Word to PDF converter and, actually creator and converter PDF into different editable formats free 15-day trial
If you're using windows just right click on the word document, then click open with, look for adobe reader and press open. It should be in a pdf file now.... There! Problem Solved!!!
Check out fr*rt.com mate they provide a simple way to convert doc to pdf online and also supports pdf to doc for free, I think this site might solve your problem. Cheers.
Geeze. Necrobump or what? Still, the original question is a good one. OpenOffice can export as a PDF. Didn't even know that existed. Here's the download page if anyone's looking for it. 2007 Microsoft Office Add-in: Microsoft Save as PDF or XPS