Depends in the office you are working. Remember that HR is there to protect the organization and the face of the organization as a whole... that being said, if you are facing a structural issue or a situation that makes you uncomfortable, you should never be afraid to approach HR.
Help answer questions real people are asking about your company. Your answers will be 100% anonymous.
The person asking the question will be notified of your answer, and it will be posted publicly. Your identity will be kept private