The plugin is integrated into the theme. There is used exclusive version of plugin that does not require activation. You will get automatic updates if theme license is activated. In order to install plugin you can go to Appearance>Install Plugins
yes, it is the latest available version of Visual Builder for Emmet theme. Actually the latest version of plugin is 2.3.0 but it is the same as 2.2.0. There were applied changes in regards to license that is not required in plugin that is built into Emmet.