Howdy lavender06,
It's great to have you in the Apple Support Community. We understand that you're wanting to remove a saved account from your iPad. We can help.
"How do I remove saved login information from my Facebook account?
You control which login options are enabled on your account. This means you can set up additional account security and decide which devices and browsers you want to save your login information.
How to remove saved login information
- Open the Facebook app for iOS and tap at the bottom.
- Scroll to the bottom and tap Settings & Privacy, then tap Settings.
- Below Security, tap Security and Login.
- Tap next to Save your login info.
- Tap the device or browser you want to remove.
Note: If you remove your saved login information, you will need to enter your password the next time you log in on that device or browser."
How do I remove saved login information from my Facebook account?
If you notice that the issue persists after trying each of the steps, you can reach out to the developer of the Facebook app here: Facebook Help Center | Facebook
How to contact an app developer
Best regards.