Amazon/Azure SSM Agent vs. FNMS Agent scans
What's the difference/advantage btw. FNMS Agent and Amazons SSM Agent or Azures Inventory Agents?
Why should a customer choose FNMS over integrated Cloud-based inventory tools?
While it doesn't directly address Amazon SSM or Azure Inventory Agents as sources, the following article provides a general comparison of the FlexNet inventory agent to other sources of inventory which may help: The big choice for gathering inventory: the FlexNet inventory agent or tool "XYZ"?