If you look at https://snag.gy/kaWCyq.jpg you will see that VC has 35px of bottom margin by default and our BeTheme has nothing to do with this setting. If you want to remove margin bottom from all VC div's, you need to use the following css:
.wpb_wrapper > div { margin-bottom: 0 !important; }
Comments
please send us link to page where this spacing is too big so we can have a look on it.