Testimonials addon will let you display client feedback, reviews, or ratings easily on your site using WPBakery Page Builder. A collection of 15+ styles with customizing options are also available to suit your needs. Touch Enabled Slider can be accessible on mobile devices as well as tablets and PCs. It also includes Masonry Grid to display an isotopic view of the testimonials.
Demo: https://codecanyon.net/item/testimonials-slider-masonry-grid-visual-composer-addon/20612735