This website contains age-restricted materials including nudity and explicit depictions of sexual activity.
By entering, you affirm that you are at least 18 years of age or the age of majority in the jurisdiction you are accessing the website from and you consent to viewing sexually explicit content.
IIRC they can restore deletions easily but not edits, if you edited the comments and then deleted reddit will only, AFAIK, restore the comments to the edited version, however you can request the right to be forgotten if GDPR applies to you.
Source: Other comments here on lemmy and my own personal experience with GDPR