When new task or project is created, everyone in our company can see that, we dont want everyone to see the task, only the individual or manager to the related task should see them
how to do this, currenlty everyone can see these tasks
Your requirement is pretty easy to implement. In Jira you have the concept of "Permission scheme" which you can associate with a project. So then you can decide you can see newly created issues of a project based on the configuration of permission scheme.