Hi,
Might be, you’re using the
Limit to visibility feature under the
Camera roll-out? If so, disabling / adjusting it should help.
In case of any further troubles with it, as it's really hard to say, what's happening exactly in your scene just from the provided description, if possible, please feel free to
send us your scene (ideally simplified and containing just this problematic object(s)).
Thanks in advance for any further details you can share about it with us / our user community (in case some user(s) will run into similar troubles).
Best regards,