Hi,
Sure! Please note that filtering elementor widgets only works on single pages, not on archive pages. Archive pages run completely different queries and currently are not supported yet. We are working on a solution, but there are a lot of issues due to wordpress core limitations.
The custom skin may not be an issue, but we can only guarantee working instances on the native Elementor widgets, as we can not prepare for add-on custom behaviors. Usually they are fine though.