During my last webinar I was asked what i used for processing raw files from Photographers.
The easy answer would be to say whatever software I am feeling is a favorite at the moment. BUt of course that would be a bit arbitrary and not always the best choice.
I currently have several applications that I use. ACR and Lightroom are two of them. Even though Lightroom is based upon ACR and ACR is pretty easy and straightforward to use, I tend to lean more towards Lightroom....