PDF4U version 2.00 has solved the compatibility issue with Microsoft Word 2003. This upgrade is free to all registered users.
Batch Converter Features:
Windows NT(SP3+), Windows 2000, Windows XP, Windows Vista and Windows Server 2003/2008 support
Convert .DOC, .RTF, .TXT, .XLS, .PPT, .DWG, .DXF, .HTM and other formats into PDF files
Automatic installation and configuration