Hey Denis, thanks for the comment. I started to write a response and it turned into a full blog post about Product + Sales!

While I can't speak to Sales tactics, I have found first hand the power of utilizing PMs + customer interviews as a source of leads. Customers seemed more open to feedback sessions rather than a sales pitch, and if you have PMF hopefully that customer interview's ask can be to schedule a sales call.

Additionally, I would recommend "The Sales Acceleration Formula" by Mark Roberge on the subject; he has some great insights into creating an inbound lead generation sales engine for b2b