I need to change the direction of the shadow orientation. I tried rotating the axes under the tools command but it has no effect.
The axes don’t control where solar north is. You can change it with the Solar North plugin available in the Extension Warehouse, though. I assume you’ve already tried changing the time and date for the shadows. Geo-locating the model, if it isn’t already, can have some influence on shadow direction, especially if you change hemispheres.
The easiest way is to go into the Shadows palette and adjust the time, date and zone. If that doesn’t get you the results you desire, you can also rotate the entire model to get closer.