>>>>Can you maybe help me do that maxim ?
If you use Tool Palettes in AutoCAD for Windows mostly for collecting blocks into libraries and inserting blocks (symbols), then you can use Blocks Palette on Mac for this purpose. More precisely - "Content" tab of Blocks Palette:
https://knowledge.autodesk.com/support/autocad-for-mac/learn-explore/caas/CloudHelp/cloudhelp/2020/E...

In previous versions of AutoCAD for Mac the Content tab existed as a separate palette and here:
https://www.youtube.com/watch?v=4UtvH5h1Nic
you can find video review of Content Palette (now Content tab of Blocks Palette) functionality.

You can also look at this video, which shows new features in AC 2020 for Mac, including new Blocks Palette:
https://knowledge.autodesk.com/support/autocad-for-mac/learn-explore/caas/CloudHelp/cloudhelp/2020/E...