this as one example that says why.
However, don't forget to start with a capital letter.
Permission isn't countable, but you don't "take" permission. You can have permission or be given or granted permission, but you can't take it.
I haven't been given permission to tell you. Do you have your mother's permission to be up so late?
(It would be good to ask different questions in different threads, if they don't relate to each other. Thanks.)
Student or Learner