sure .. here are screenshots:
#1 Single product view https://gyazo.com/3e328711af2ab2829a1145b37fd80581 Back In Stock Notifier should be above add to cart buttons as it is on variable product: https://gyazo.com/6bdd7bd0a1474d9f9ceb11e9d16c5ea2
#2 Sticky bottom bar https://gyazo.com/b6743e5e3baf0e7fa5da30a6d2c946c6 when you scroll down, Back In Stock Notifier should not be showed on add to cart sticky bottom bar
#3 Off-canvas view – variable product https://gyazo.com/b729e7d1cd171bbd23fdccb93ca60f2b and here switching between size/variable multiplies Back In Stock Notifier.
#4 Off-Canvas – single product https://gyazo.com/53b311ba62f89a8dc630b6325c659910 Back In Stock Notifier should be above add to cart buttons
