Comment Scraping

I’m using PostSnag for longitudinal research on large Facebook Groups, where useful information often appears deep in comments and nested replies rather than in the original post.

I may have several years of already captured group posts. Is there any supported way, current or planned, to bulk-capture all comments and nested replies for those posts without manually opening every post and expanding every reply?

Even a feature that, once I open a post manually, automatically loads/expands all comments and replies would solve the problem.

This is important enough that it would determine whether I purchase Lifetime.