Yes, the Enterprise Edition is generally available for all three major clouds (AWS, Microsoft Azure and Google Cloud Platform). Please contact our sales team in order to obtain a commercial subscription.
The free-of-charge* Community Edition, which comes with automated installation, is currently generally available on AWS. You can, however, sign up for the beta on Microsoft Azure and Google Cloud Platform.
*Please note that Mesosphere operates independently of the cloud providers that can be used to run DCOS Community Edition. While there is no licensing fee associated with the use of DCOS CE, standard resource usage fees will be assessed by your cloud provider of choice (e.g., Amazon Web Services, Google Cloud Platform, Microsoft Azure).