Azure DevOps helps us to implement all our DevOps practices with a complete end-to-end cycle starting from code commit till the production deployment including continuous feedback.
This enables us to release the silos between the teams and enhance collaboration. Also, it gives us more control on the project delivery lifecycle and to fix the issues more earlier than before as we are aligned and working on one integrated system which can give us reports about any piece of info.
One to three years.
Disclosure: I am a real user, and this review is based on my own experience and opinions.