First, I like to set what feature class in my project are available to edit. In Pro, you don't specify an edit session.
Right click on the feature class name and select Make this the only editiable layer.
Then Click on the Edit Tab, and select Create:
And in the Create features Pane, select what you want tool to use:
Hope this helps....
Did you miss the help file topics?
There are loads within this general area.
A generally good place to find Pro help is at the root level of the help topics... you will quickly learn to navigate through the apparent maze... which is actually well organized