For the spacing thing, add some margin above the client logos section with this CSS snippet in ‘Additional CSS’
#clients-section {
margin-top: 50px;
}To allow the page content to be displayed on the homepage, in the customizer go to ‘Homepage Settings’ and check the box next to the ‘Show Page Content On Front Page’ option.
Then in the page editor for the page which you have selected to be your homepage, your page content will also be displayed. You can use any page builder of your choice to create the content.
If you are seeing an empty space at the side of the content and you don’t want to have the sidebar on this page, select the “no sidebar” option in the ‘Sidebar Layout’ section of the page editor.