how to add the additional features here in this course module- https://prntscr.com/tm2u2y
What do you want to show here? So I can tell you whether we have the feature available or it is possible with custom code
features like this - https://prntscr.com/tmcwxt
the snap shot is form you demo website
Oh, you are using version 4. This is the new course layout.
Please check the layout in Vibebp - course layouts
and also in vibebp - course card
These two will show your layout like that
There should be a layout there if you followed the setup properly
Then set your single course page layout as blank one from wp-admin > appearance > customize
and you are good to go