Your posts are only shared with the companies that you're Connected with (your network).
By making a post in the Newsfeed, you're able to share product announcements and keep your partners up-to-date with what's happening in your organisation.
If you'd like to add more connections, you can do so by clicking Invite from the top right of your screen.
Note: If you'd like to share your posts to the entire TourConnect network, you can do so by making a post in the Community forum, accessible from the account settings of your account.