Some background: >if read, [the scrolls] would more than double the corpus of literature we have from antiquity And that's just with the ~600 scrolls that have been excavated so far: >excavations were never completed, and many historians believe that thousands more scrolls remain underground And, as for the content of the scrolls: >[at least some of the scrolls] contain philosophical texts written in Greek
Let's not get our hopes too high. It could be something really mundane (for the time) but as they say "One man's trash is another man's treasure".
The ability to read such a thing is probably going to be the most invaluable part of this.