You can use maximum six pages to display in services section. The scrolling option is not available for this section. But with some css code changes we can display six pages in two rows.
If you want to do so please send your website URL and WordPress admin login details for temporary at firstname.lastname@example.org so we can check and assist you.
To add a url to the items listed in the special offer section, you can use a href tag
Please add a href tag before the [offer-services] shortcode like below
<a href="http://google.com">[offer-services title="Paris and Bordeaux" oldprice="$499" newprice="$400" description="Suspendisse vel velit nullad phas." image="http://sitename.com/wp-content/themes/prevalent-pro/images/offertm2.jpg"]</a>
You can’t pickup content from post to display in this section.