Microsoft Azure has a more worldwide reach. While VMWare Cloud provides a traditional IaaS model. Whereas Azure provides a much broader range of options. Azure also has a large number of services to offer, within a reasonable price range. VM Ware computing environment is run inside of AWS data centers, and Microsoft uses it's own infrastructure.
If you are planning on learning Azure, as a beginner it would be better to start with an online course that teaches you the basics and also gives you hands on experience.
For Azure you can either take this end-to-end certification course which will teach you the basics of Azure, or if you are just a beginner and wish to get your feet wet you can watch this end-to-end Azure tutorial.
Back