@AWESOMECIVIC1988 If you go to your friend's list you can inspect their banners (with F key on PC), but you would not be able to see in-depth stats for the current or previous seasons.
＊Accept as Solution button- If a post answers your question please let us and other players know by hitting this button. ＊Me Too button - 'Me Too' helps us track how many players are also experiencing that issue. Definitely make use of this button. ＊XP button - Say Kudos and help players 'Level Up' by giving them XP for helpful posts.