Hidden Base Objects Appearing During Review

I am experiencing a problem where objects I have physically clicked and hidden appear on the layer during review.

This happens often and it has me baffled, not to mention, as a freelancer, makes me look a bit incapable during review sessions. I can swear it should not be there, but that usually does not cut it.

Is this a known bug? 

(In this photo I hid the overlapping text box, but it is still showing up during review)