This step by step guide with images covers how to share Notes app folders on iPhone, iPad, and Mac with edit or view only permissions.

Method 1 Launch the Notes app on your iPhone or iPad. In the Folders view, swipe from right to left on the folder that you want to share. Tap the leftmost Share button (the blue icon).

Launch the Notes app on your Mac. Hover your cursor over the folder of notes you wish to share and click the circle of three dots that appears. Select Add People… from the contextual menu.