Are there any public bots that you can put a specific message in a channel and if users react to that message, the bot gives you a role (i.e; Like this bot)? :
Make Reaction Roles in Seconds! ⏱️ by Carl Bot | Colour - Gender - Continents Roles | Techie Gaurav - YouTube
Carl-bot Dashboard
How to Add Reaction Roles in Discord
How to Get Reaction Roles on Discord with Carl Bot
How to Use Carl Bot for Roles on Discord - TechWiser