Hi! I think you posted this yesterday as well
www.pelotonforum.com
In addition to the anti-glare screen film for a tablet that was suggested, one thing that might help is adjusting the angle of the tablet to minimize the glare pointed right towards your face.

Screen Glare From Peleton Monitor
I have just brought my Peleton which is lovely to work out on Its in my conservatory which is really light but the screen is so reflective in daylight with sunshine it cannot be used We have just put a reflective insulating cover on the conservatory roof to shield further which seems to work...
In addition to the anti-glare screen film for a tablet that was suggested, one thing that might help is adjusting the angle of the tablet to minimize the glare pointed right towards your face.