Hey There !
It's quite a silent install, you'll find your presets by opening A.N.A 2 in your DAW and clicking on the down arrow just above the "Save" option on the right of the "Menu" option : a list will show up and it should be listed "Presets Vol 1" from which you can select individual presets.
Clicking on "MENU" and choosing the "Open User Preset Folder" option should point you to the installation directory on your machine, add-on presets like Presets Volume 1 & 2 are installed in the DLC directory from there.
If using a Mac the path should be YourOSXHDD/Library/Application Support/Sonic Academy/ANA 2/Presets/Sound Presets/DLC/Presets Vol 1
Note that this is the main Library not the user Library.
if using Windows it should be C:\ProgramData\Sonic Academy\ANA 2\Presets\Sound Presets\DLC\Presets Vol 1
Note that the "Program Data" folder might be hidden by default on your Windows installation.
Hope that helps, cheers !