Apple today added an "Intelligent Assistant" to Keynote, Numbers, and Pages. The feature is available in beta for Apple Creator Studio subscribers. The update is available again following the temporary removal of the apps from the App Store . In Numbers, Intelligent Assistant can build formulas, visualize data, help generate formulas with natural language, and generate tables. The Pages Intelligent Assistant can start a first draft, and "edit, organize, and elevate your writing." It can draft sections, adjust tone, and generate images or shapes using natural language. With Keynote, Intelligent Assistant can help build and refine slides, add animations, create presenter notes, and generate images and shapes. For all three apps, Intelligent Assistant can search for information on a topic on the web and then add it to a document. Apple says Intelligent Assistant can also walk users through using advanced features or make suggestions on what to try…