If you are looking for spying on Viber on the target iPad, iPadKeylogger is the greatest spying app for you to do this. Please find below what you can do with iPadKeylogger for Viber Spying:
Yes, our software captures the data and keeps them in the background even if the target deletes them immediately. Once the software connects the servers and uploads these chats, it will delete from its memory on the device.
Please note that any chats that are deleted before iPadKeylogger is installed cannot be retrieved.
No. You can hide the iPadKeylogger icon, so the target won't understand that iPadKeylogger is installed on the iPad. The target also does NOT get any notifications when the software captures Viber chats.
You should install our iPad Spying App -iPadKeylogger- in order to spy on Viber. Please find the main steps here; how to spy on iPad?