&frankly actions
It is not possible for other people to see which of the &frankly actions you've started. However, it is possible to see how many users that have started and completed a ceratin action within your account.
Company actions
No one else in your account can see that you’ve started a company action. Administrators can only see a total number of how many that started, completed, or let an action expire.
Personal actions
Only you can see the actions you create for yourself.