Pros:

• It makes your life easier and better
• It provides a very good, cool, clean and awesome designs
• It is backed up with open source projects
• It maintains the same UI across platforms, using shared components across Android, iOS, Flutter, and the web.
• You can design and strategize how to build your app using Material Design architecture, while learning the principles and theory that underpin Material Design.
• You can customize and deploy a unique Material theme systematically across your product – from design to code.

Cons:

• None I can think of so far since this is very useful tool for every developers!

Great hunt and congratulations!!