#include with quotes not work, with angle brackets yes, why ?

I’m try to learning watching some tutorials and in every place they use #include " … " even with #include “GameFramework/Actor.h” I could not get the autocomplete to work, it only work with #include why ? I’m using vs2019 while on the tutorials they use mostly vs code.
If I write UE_LOG then is not possible to have autocomplete help me withe the parameters value ?? I have to remember them all the time ?