It is not possible to emulate/copy that sample page as it comes from Avada’s fusion grid builder and uses Masonry to arrange the posts. Our plugin does not come with a grid builder. Instead, where we encounter page/gird builders, we investigate to see if we can get our plugin working with them. Usually, this requires the Theme or Plugin builder to provide help, either as generic help documentation, hooks in their code that we can use, maybe direct replies to help us providing the needed code, or, if we are lucky, they actually use the WordPress Codex methods for fetching posts.
So, we have asked for help from Avada. Their code is not documented and does not have hooks we can use. They do not appear to use standard query methods.
We have a standard method to join our plugin to most themes/plugins like Avada, but that does not work either in their case.
Understanding that you chose Avada for a reason to meet your needs, the alternative is to use a Page/Grid Builder plugin. At this time, we do support Visual Composer. It needs to be the standard version, and not a modified (theme) version. Some themes bundle it relatively unmodified and that works OK, some themes bundle it but heavily modify it, and it does not work. This post explains more:
https://support.searchandfilter.com/forums/topic/pagination-not-working-11/#post-105228
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