“Pokemon Go” recently acquired a new update, which includes the Pokemon appraisal. The new option now allows
“Pokemon Go” players to know more about their creatures’ attack and defense capabilities.
The “Pokemon Go” update will let team leaders educate “Pokemon Go” players about the attack and defense of their existing Pokemon. A gym is not required to communicate with the team leader.
To get the Pokemon appraisal, tap the round button on the lower right portion of the screen, which will open the menu. Tap the Appraise option, instead of trading the Pokemon for candy.
This is what it the Leader means