Wordpress site corrected / links fixed

I had a design made in FIGMA. A company on the east coast readied it for Wordpress/Elementor. They delivered but there are a lot of broken link issues. No matter how much I asked them to correct the issues they never get it right. I also want to have an estore for digital products incorporated into the site. Also a landing video page, a SKIP VIDEO button does not seem to be able to be laid out correctly.