If God is Omnipotent, then God can remove suffering
If God is Omnibenevolent, then God couldn't let suffering exist
If God is Omniscient, then God could see how much pain suffering causes
Theory 1: God knows we're suffering but can't remove it
Theory 2: God knows we're suffering and can change it but doesn't want to
Theory 3: God can't see our suffering
Theory 4: God doesn't exist