Collect video and written testimonials from customers who agree to share them, and show them on your own page and your website. You choose which appear, and the page says so. It is not a review site.
Yes. You approve each one, and the page says the business chose them. Reviews on Google and other review sites are never touched.
No. It sits next to them and shows up on your own site. Every customer still gets the same Google review link.
The testimonials page, video testimonials and the website widget are on Growth.