Convert Word 2003 to PDF?

Hi,

We are looking to convert Word to PDF but our Word files are in the 2003 format. This link says that only Office 2007 and 2010 are supported for conversions: http://help.adobe.com/en_US/livecycle/11.0/Services/WS92d06802c76abadb 76c48dfe12dbeb3e281-7fe7.2.html

Is there any hope for us? Is there a work-around? Is 2003 supported but not listed?

Thanks!