If you are using Autocad 2023 For Mac, there’s a good chance you couldn’t find the existing sample drawings in the Blocks section.
What you need to do is actually click on the drop down menu, then select “Sample Libraries”
This will show you the classic libraries that comes shipped with Autocad
Essentially, the libraries will look something like the following:
These are not all the libraries available out of the box, they do have some additional but oh well, these are the ones I have used and understand!
Did you see the libraries produced by Jay Cad? Check our store here
I wrote other posts about Autocad:
How to add a CAD library in Autocad for Mac
I hope this helps!