Time-saver, excellent organization tool, and the web access interface is phenomenal. I highly recommend you give it a try if it suites your needs.
Easy, headache-free way to manage your projects. Implementation and onboarding/training for users is a breeze. The web-browser interface is phenomenal.
It might not be the world's most intuitive software, but the type of users we on-boarded aren't exactly tech geniuses either, I can't really think of any major cons so I had to mention something.