Session feedback (comments and topics covered, left by the tutor after a session) is visible to both you and your child by default. There's currently no way for a tutor to send feedback to only the parent and withhold it from the student. If a tutor needs to raise something sensitive about your child's performance that isn't appropriate to show the student directly, the direct chat channel (rather than the feedback form) is the usual workaround your institute may use instead.