Can I use whitening products even though my teeth have been damaged by acid?

First of all, I must say that I cannot speak English very well and therefore use a translator, so I apologize for the maby strange English. Anyway, my teeth are damaged by acid (if you can call it that) so that I have to use special toothpaste, but it's not so bad that anything else really needs to be done. I don't feel any pain or anything like that, but my dentist said so, otherwise I wouldn't have suspected anything. My teeth are also yellowish and I would like to make them whiter, but I'm not sure if that's a good idea with my teeth, and if it's alright, which method I should use.

What's your opinion? Do you think I can use whitening products or not? And if so, should I use specific ones?