At this time, Pro is a separate product — it’s only the free version which is bundled with machines (but it’s also free to anyone else).
Boolean operations haven’t changed in a long while if ever — they’re just logic, see:
https://docs.carbide3d.com/assembly/carbidecreate/video-tutorials/#boolean-operations
Note that you now use shift, not control to add/subtract objects from the current selection, see:
Toolpaths one can just right-click on them and edit:
https://docs.carbide3d.com/assembly/carbidecreate/video-tutorials/#toolpaths
For the free 1 yr. of Pro see:
If you’ll let us know the specifics of the problem which you are having we will do our best to work through them with you.