Hi Dono1,
Thanks for reaching out.
Currently, the MYOB Business application is not yet on par with the customization of invoices with the desktop application. As for the web version you can only choose which to include and which not to include among other things. Rest assured the team's goal is to make the web app as close as the desktop application as possible. We will raise this as a suggestion with the developer team.
In the meantime, feel free to let us know if you require any other assistance.
Cheers,
Genreve