Yes! AirParrot 2 and Reflector 3 can be installed remotely for specific computers or users with Group Policy. The PDF file linked below includes detailed information on this process. We also have created a tool to help you make Registry values for your deployment that include your license key and update preferences.
Reflector 3 & AirParrot 2 Windows:
http://docs.airsquirrels.com/support/RF3_RFT_AP2_Deploy.pdf
https://download.airsquirrels.com/tools/RegistryKeyCreationTool.exe
Reflector 3 Mac:
http://docs.airsquirrels.com/support/rf3Deploy.pdf
AirParrot 2 Mac:
http://www.airsquirrels.com/docs/massdeploy/mac/ap2Deploy.docx
http://www.airsquirrels.com/docs/massdeploy/mac/AP2DeploymentWorkflow.zip