VDA CAD format (VDA-FS data exchange format) should be well supported in Autodesk AutoCAD and vda to dwg conversion should be easy to achieve. This should doable simply by opening the files in Autocad and saving it to DWG format. The same should be perhaps doable with some other CAD software, albeit it might require some sort of plugin.
Open VDA file Open DWG fileA 3D product data optimalization software
A 3D CAD translation software