Technical informations
How to create a PDF document from a Word document in Windows environment
They are several ways of transforming a .doc document into a .pdf document. 
This document presents two of them:
a)	Using a web site to which you upload your .doc file. It does the transformation and then asks you to choose the way that you want to receive it; either by email or by downloading it.  
Advantages of this method 
- Free service
- No setup
- No regular update to manage
- Simple to use
- Secrecy of document not guaranteed
Look on conv2pdf for more information
b)	Installing free software on your computer to create PDF documents.  
One of the free software products available with a GNU (GPL) licence is PDFcreator found on sourceforge site at  pdfcreator  
It is suitable for Windows 9x/2000/XP.
Advantages of this method 
- Free service
- Control over document security
- Simple to use
Disadvantages of this method 
- Manage installation
- Manage updates over time
How to create a PDF document from a Word document in Macos X environment
- Under Word, choose print in the file menu
- In the following dialog click on "pdf" and select "save as pdf"
How to create a PDF document from a Word document (MacOs X, Window, Linux)
 Download  Open Office , install it, open the .doc file and in the file menu select "Export as PDF..".
