Players have reported being banned for using macros even in modes like Training (formerly Terrorist Hunt) or during seasonal events.
Ubisoft applies sanctions for "botting" and AFK farming, which can range from a warning for a first offense to a temporary or permanent suspension for repeated violations. Rainbow Six Siege AFK Farm Bot | Demon Veil
If an account is flagged for boosting or unfair farming, any Renown or Battle Pass progress earned through these means may be forfeited. Players have reported being banned for using macros