Feature for Finding non - design system elements

When we create tons of pages - primarily for new designers - If we miss using the Design system elements, are there any to identify which design elements are not from the Design system?

It could be a quick summary of the components used from the Design system.
It could be an easy way to see design elements that are not part of the design system.
How many times are components modified etc?
Some things like Finding and replacing features for Design system elements.