There are third party services to handle that and some have been operating for a long time… with no action coming from reddit.
There have also been rumors of special directives to help maintain corporate presence on subreddits/etc. Things like upvote/downvote fudging on AMAs and other items focusing on areas with lots of business visibility.
Korhaka@sopuli.xyz 2 weeks ago
Even if reddit doesn’t provide it themselves, the service exists.