I just purchased Storyist for iOS today, am using it on my iPad Air 2 and iPhone 6s. Both work fine, sync well, no problems. I can go my iCloud Drive folder on either one and find the Storyist file folder, along with the files I've put there.
However, when I go to my iCloud drive on my MacBook Pro, I cannot see the Storyist folder. I've tried going to iCloud drive via Finder, and also through Safari, logging in to my iCloud account. I've logged out and back in multiple times; started and re-started my MacBook multiple times; and added an item several times in an attempt to "force