Be careful. When I tried this it didn't quite work - I got a handful of comments, but a bunch were missing and the csv was obviously truncated. Others have reported similar results as well. See https://kbin.social/m/RedditMigration/t/71867/Poll-Power-Delete-Suite-users-are-you-saving-your-content

I had another way of grabbing everything, see https://kbin.social/m/RedditMigration/t/65260/PSA-Here-s-exactly-what-to-do-if-you-hit-the