In my opinion, Microsoft Azure is on par with AWS when it comes to Cloud Services. Both AWS and Azure provide a large number of services ranging from Storage, Computing, and Networking. However, Azure also provides a great Hybrid Cloud model and is better for On-Premise Integration. Azure is also very secure, reliable, and easy to use.
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.
You can take this Azure Certification 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.