Yes I use Nova Launcher Prime (the paid version) and yes the option I mentioned is one of the perks for getting the paid version. You can make the icons disappear if you like but I prefer a drawer that I seldom look in.
I am a fervent believer in always getting the paid vbersion of an app so I don't know what else is missing in the unpaid version. Play Storea says ...
Unlock the following extras by purchasing Nova Launcher Prime
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Gestures - Swipe, pinch, double tap and more on the home screen to open your favorite apps
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Unread Counts - Never miss a message. Unread count badges for Hangouts, SMS, Gmail and more using the
TeslaUnread plugin
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Custom Drawer Groups - Create new tabs or folders in the app drawer
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Hide Apps - Keep a clean app drawer by hiding never used apps
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Icon Swipes - Set custom actions for swiping on app shortcuts or folders
•
More scroll effects - Such as Wipe, Accordion, and Throw
Tesla Unread is invaluable. I wasn't aware that it was not available to the unpaid version.
... Thom