Yes, simply click on the Logo or the Heading to be changed and enter new values.
You can make any changes you like by clicking on a column and editing the "Layout" tab. No support is available to assist, unless you wish to engage EScIS to provide a layout for you.
You can click Data - Save and save the data to your own systems, and re-upload it using Data - Open. Online saving of the data is unlikely to be available for the free version.