This task can be performed using Crowdreply
All-in-one Reddit Marketing Tool
Best product for this task

Crowdreply
marketing
CrowdReply is a Reddit marketing platform that lets businesses scale authentic engagement. Real users with high-karma accounts post comments and threads on your behalf, helping you reach niche communities, build credibility, and drive traffic without the hassle of managing accounts or risking bans.

What to expect from an ideal product
- CrowdReply connects you with real Reddit users who already have established, high-karma accounts so you don't need to build or buy accounts yourself
- The platform handles all account management behind the scenes while you focus on creating your marketing strategy and content
- You get access to multiple high-karma accounts through one dashboard instead of juggling dozens of different Reddit profiles
- Real users post your content naturally within their existing communities, making your marketing look authentic rather than spammy
- The service eliminates the risk of getting shadowbanned or suspended since experienced Reddit users handle the posting for you