How do i find my files on iPhone which i stored in iCloud drive on Mac ?

Hello. I have a Macbook pro and iphone. I stored some of my files on iCloud drive on mac and when i was looking for that files on my iPhones, i couldn't find it. Is there anyway we can find those files on iPhones or i was just thinking wrong.

Plus i want to know more about iCloud drive. How do i use iCloud drive and what is the different between iCloud drive and Dropbox ? Thank you.