Currently SEs see each page of a paginated thread as separate content.
Google now introduced rel="next" and rel="prev" to combine paginated pages into a chain.
I think vBSEO should utilize this for threads.
More info here: 3 Methods For Managing Pagination According to SEO Best Practices
And here is a youtube video on google explaining the handling of pagination:
Pagination and SEO - YouTube
As a site note: vBSEO could make use of Microdata like breadcroumbs, thread creation time and such