Google Earth Pro grantees receive full Pro Support, so you are welcome to use Google Support resources and contacts just as a paying customer would.
http://earth.google.com/support/
ArcGIS Users
You can export your GIS data for import into Google Earth Pro using
the Shp to KML option in ArcGIS. Also, Shp2KML is a freeware tool that
has excellent translation of GIS shapefiles into KML.