Bluebeam is absolutely essential in the construction industry. If there is one software to master, it is Bluebeam. Project Engineers, Project Managers, Superintendents, and Estimators all use Bluebeam to review and markup drawings.
I hope you have atleast heard of Excel. It is easy to think you know it well. Unless you can use the Alt keys to navigate around you most likely are less than average at the software.
This software is used to design and publish drawings.
This software is used to create a model and then drawings are generated by the model itself. Revit can incorporate CAD.