My logo won’t show on the theme
You should contact theme author about that.
Probably this is your item - https://themeforest.net/item/filmic-movie-studio-film-maker-wordpress-theme/21184042/support
More info about how to contact theme author - https://help.market.envato.com/hc/en-us/articles/203039054-How-to-contact-an-author
Please check the Item documentation hopefully you will get necessary support how to setup logo. Also you can check your theme Option if you find anything related to the logo settings.