Hello @Van92 and welcome to the Community. Fitbit released the Versa 4/Sense 2 almost a year and a half ago. I'm not an employee, but I don't think so. To the best of my knowledge, Fitbit never made a Notes app for any of its smartwatches.
Laurie | Maryland
Sense 2, Luxe, Aria 2 | iOS | Mac OS
Take a look at the Fitbit help site for further assistance and information.