If one user is using the Google.com version of Google, and one user is using the Australian Google.au version of Google, will both see my ads?
GR
Alongside Google search results pages to users in your targeted locations.
[adwords.google.com...]
I think it depends on the location of the user - not the ccTLD of google
I have said the same thing several times now.
Maybe you should ask your question at the help forum and see if you can get a definitive answer from a Google employee.
[google.com ]
Cheers