Konohamru will never be hokage. In the Boruto movie he is already older than Naruto was when Naruto became Hokage. By the time Naruto's time as Hokage is over which will take a while since Naruto is still relatively young, Someone like Sarada or someone else from her generation will be ready to be Hokage. He will never achieve his dream and will have his only accomplishment being the mediocre sensei of Naruto's brat.
He's somewhat talented since he managed to learn the Rasengan which only a select few have accomplished. Outside of that, he's had minuscule screen-time, so it's difficult to say.
Konohamaru is fodder
How is he fodder when he took down a Pain body at a young age with no prior intel???