If you are can't see your Azure servers on the IG cluster page after following the doc: https://help.infraguard.io/support/solutions/articles/81000257114-onboard-azure-servers
Please review all steps again and verify the following:
2. The AWS IAM Role is attached to all Azure servers in the AWS System manager
3 Just Recheck if the Azure information and credentials provided in the IG cluster are correct. Sometimes the credentials will start with a ".".