Oh, the AutoCAD. The software that we all love to hate. Pros: It's the industry standard, everyone uses it, and it's interoperable with almost any other relevant tool (export/import) It's really powerful as a designer no doubt about this. You can add intricate details in it, or even go on 3D mode! It can work on the cloud (for collaboration), or locally (for security). It can handle anything. Literally. No project is too large or too complex for AutoCAD. Cons: Its price is salty. Starting from a couple of hundred dollars minimum, it can go up to two thousand. It is somewhat cumbersome to use in some cases. It requires lots and lots of training, otherwise, you can't utilize it efficiently. All that said, it's still my personal choice, with DraftSight being my alternative at times.
Do you think it's still commonly used though? Nearly everyone I deal with now is using Solidworks and Autodesk seems to very much be a legacy system. I few more individuals are starting to use Fusion though, I guess because it's free for schools.
Yes, Solidworks has become much easier to deploy and use nowadays, so AutoCAD is constantly losing ground. Still, I believe it is the most widely used tool for the job.