The information of the Support Tool is only shared with the Bitnami team, it's not publicly available at all. The information that you will share will be the following one, the tool will also show you the files that will be shared.
The Support tool will share with us the errors in the logs, permissions of your installation, servers' configuration, ...
Please note that if you use the magento script instead of the magento-cli one, you will probably change the permissions of the files and folders of the installation. That can cause Magento to fail.