You can apply background color, background image, parallax and video as a row background. Click on the “Edit row” button and refer to background tabs (see fig. 1). These options come from Ultimate Addon for WP Bakery page builder, so make sure the plugin is installed and activated.
You can find more tutorials here.
Finally, there is a legacy feature “Stripes”, which can be enabled through The7 -> My The7 -> The7 Rows. But it is meant to be used by buyers who started building a website with older generations of the theme.