Is there a number of reports needed to get a comment deleted? Or is it not automatic?
Facebook – How many reports on Facebook comments are needed to get an offending comment deleted from Facebook
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Related Solutions
On each post there is a timestamp at the lower right, usually after the number of comments and likes on the post.
Click the timestamp and you'll be taken to a page focussing on just that wall post like so:
From there you can keep clicking "View previous comments" to reveal all previous comments.
Just one level of nesting, I think. Atleast that's what it is for now:
Source: https://www.facebook.com/photo.php?v=10200614071048741
Best Answer
I believe that it's not automatic and that there are a group of employees who moderate these.