Go through these thread
https://www-secure.symantec.com/connect/forums/report-installed-software-products-and-install-date
https://www-secure.symantec.com/connect/forums/how-get-report-altiris-71
Inbuilt report location
Reports > All Reports, then expand Reports > Discovery and Inventory > Inventory > Cross-platform > Software/Applications > Installed Software or Installed Software by Computer. For example, using the Installed Software report, type '%Adobe%' for the Company OR '%Lync%' for the Name.