Product : Scalr, Scalr/7.7.2, Current Production
Feature : Management of legacy cloud VMs, Legacy/Brownfield Environments, Multi-Cloud
Content Owner:  Ephraim Baron
Summary
Yes
Details
Discovery Manager is presently available for AWS EC2 instances.  Azure server discovery is supported in >=7.1. 
For more information see : https://scalr-wiki.atlassian.net/wiki/display/docs/Discovery+Manager