Does anyone know who to activate the separations preview on illustrator for iPad?
Sorry for the delayed response. We understand that having the Separations Preview in Illustrator on the iPad is important to you, and we apologize for its unavailability at this time. Would you mind creating a UserVoice for this feature request (https://illustrator.uservoice.com) and adding your comments there? Doing this will help us prioritize this feature request, and you will keep getting all the related updates.
Feel free to reach out if you have more questions or need assistance. We'd be happy to help.