Just bought my 2020 ipad pro. Itunes on my mac (2019) does not recognize the ipad

The new way is access the iPad through the Finder side bar

Use the Finder to sync your iPhone, iPad, or iPod with your ...

From Finder>Locations> verify the Show/Hide move your mouse to the right side of the column to reveal the option.

Photos.app for importing your pic

Sync photos between your Mac and iPhone or iPad - Apple ...

If you do not see your iPad make changes to your Finder >Preferences>Sidebar:

If you are running Catalina (where you posted this question), iTunes doesn’t run at all in Catalina and your iPad should show up in the SideBar in Finder.