Man pages matching name www::facebook::api::comments in section 3pm:

WWW::Facebook::API::Comments.3pm.en	debian 10 / libwww-facebook-api-perl
WWW::Facebook::API::Comments.3pm.en	debian 11 / libwww-facebook-api-perl
WWW::Facebook::API::Comments.3pm.en	debian 12 / libwww-facebook-api-perl