Eversana is doing the hiring in that ad.  They would pay them as part of (from the MD&A)... "....providing fully integrated commercialization services including market access, agency services, clinical and commercial field teams, medical science liaisons, channel management, patient services, health economics and outcomes research, and compliance....".

What RVX pays (fees and profit sharing) is described in the MD&A:  "....For providing its services, EVERSANA shall be entitled to receive fees (of which 25% (possibly increasing to up to 50% in the future, at EVERSANA’s discretion) shall be initially deferred and are due when we generate subsequent COVID-19-related sales of apabetalone) and profit sharing...."