can acrobat X standard convert dwg files to pdf
This is the Reader forum. The Acrobat one is here:
Moved to Creating, Editing & Exporting PDFs
Acrobat X's PDFMaker supports some releases of AutoCAD. You may want to look over the information here: http://helpx.adobe.com/acrobat/kb/compatible-web-browsers-pdfmaker-app lications.html
Even so, would it be in Standard? I'd have only expected AutoCAD integration in Acrobat Pro...