problem with adding notes

Hi @Paulina_P?atkowska8813, 

Thanks for reaching out.
Here is a similar discussion in the community: https://adobe.ly/4iNkDMr. I don't have access to the file, and I am not sure if the file you are trying to comment on is your file, shared with you, or locked for comments, etc.

If the discussion shared isn't helpful, please provide more information related to the problem, and will take a look and suggest