Automatically hide objects visibility if the object falls with a cameras frustum?

No but there are many ways to do it.

The easiest one is to make a foliage/tree material that is crafted to do this on purpose.

Another option would be stencils and a PostProcess material.

and there are tons of tutorials on how to go about it - one worse than the other, but they give you ideas at least.
Trying to source a link…