most SMM panels offer embedded views, as you know there are no ads shown on embedded players outside YouTube, so if no ads there is no high risk but also no revenue.
some panels offers our RAV watch-page views, that traffic is generate by native ads that redirect the viewer to the YouTube watch-page, where video ads (if any) will be displayed and visible.
those views may generate revenue since all traffic is 100% real and users will interact with ads (skip, watch, click, close), but the risk is simple, https://support.google.com/youtube/answer/1311392?hl=en don't allow to use any 3rd party services to gain views.
anyway there are many that checked and told that it's working for them as they don't see many invalid clicks, but if you want to be 100% safe you should disable monetization until your campaign is delivered.