Late response, but yes it is possible to import the lighting rig, but you have to install the plugin from ETC into Vectorworks to do it. I have included the file link below.
As a note, each fixture has to have both an address and a channel to export, as well as be in a visible layer.
Plugin Location (as of 4/2/2022)
https://www.etcconnect.com/WorkArea/DownloadAsset.aspx?id=10737506023
download and follow Instructions in included PDF file.