Hi George,
Based on your description, you are asked to sign in any time you open the OneNote app in your iPad or iPhone. I would like to suggest you check if you are in the same situation in this article: Repeated sign-in prompts in OneNote for Mac, iPhone, and iPad
Besides, to better understand your situation and help you, please provide the information below:
- Version of system for your device.
- Version of the OneNote app in your device.
- Related screenshots about what you encountered or any error message.
Regards,
Yoga