A PDF, a Word file, a screenshot, a photo of a whiteboard or a scanned page can be the source of a video. Pages with text are read directly; pages that are images are looked at and transcribed. If a page has no words in it at all, we say so rather than inventing them.
Before this, uploading either of them failed on the live site in every version that had shipped, and the error named the very format you had just given us.
Writing a storyboard has a screen of its own and can be stopped, and the price sits on the screen with the button that spends it.
A person or an object that appears more than once looks the same each time, a black-and-white style stays black and white, and sharing takes one step.
Copying a script, downloading a file and starting an edit are on the card in your library, and a video that is waiting or being drawn says so.
Everything that changed, newest first.