Tax reporting on the same accounts for multiple jurisdictions

I am really hoping Sharesight is the tool I’ve been looking for but I’m struggling with how to set it up. I am a US citizen living in Australia, with financial accounts in both countries. As a US citizen I am subject to US taxes wherever I live in the world. As an Australian resident, I am subject to Australian taxes. I want to be able to see my investment portfolio, and in the same place ideally generate tax reports for both the US and Australia. The accounts are the same, I am the same person, it’s just that I need to do the reporting for two countries. How does this work in Sharesight? Or is this just not possible? How do other US citizens abroad do it?