Is there a drawing tool in Pages?
How do you draw on pages in Pages?
Is there a drawing feature on Mac?
No, unfortunately there are no Adobe-branded drawing apps for Mac desktop machines. Illustrator is the nearest you can get for desktop. Though, smaller devices have a range of Adobe Photoshop products that let you manipulate images. Adobe Comp is a fantastic and feature-rich app, for example.
How do you draw on a Mac screen?
How do you draw freehand on a Mac?
Within preview, choose View->Show Markup Toolbar if not already shown. The third option in that toolbar from the left is a pen icon with a path being drawn. Click on it (should turn blue) and then you can draw whatever you want.