Yes, the files you upload with the Go-to-Market tool can be downloaded by anyone visiting your landing page.
If that's not your intention, then do not upload any files.
The landing page we create is made to be a platform for you to share information about your business in order to entice buyers.
Everything on the page is fully accessible to those who visit your page.
Alternatively, only upload files that add value to your offer, but do not contain confidential information.