Yes, Horizon Cloud on Azure is available - see https://www.vmware.com/uk/products/horizon-cloud-virtual-desktops.html for more details.  RDSH desktops and apps are supported now.  Windows 10 VDI is in limited beta now and will be available soon.  There are a couple of technical overviews here if you're interested in more detail:

VMware Horizon Cloud Service on Microsoft Azure-Technical Walkthrough (Part 1)

Horizon Cloud Service on Microsoft Azure – Technical Walkthrough (Part 2)

-Jon