There is an easy and effective way to convert word to PDF through Microsoft word 2007. You can download Microsoft Save As PDF add-in from Microsoft.com.
Also a newly release one Office 2007 Service Pack 2 (SP2) has built-in the add-in.
1. Start Microsoft Word 2007
2. Open a .DOC document and edit
3. Select from main menu “Office button”->”Save As”
4. Select “adobe PDF”.
If you don't have word 2007, don't worry. Click the link below may also help you out.
http://www.advancedpdfconverter.com/products/wordtopdf.html
have a try and hope it helps:-)~