Yes you can. You will need to have a single A2X user account with access to both of the A2X accounts that you want to share Xero access. One account connects to Xero normally. The second account will share access.
To share access first go to A2X -> Settings -> Connections and select Reset Connection.
Then select the option:
If you would like this A2X account to access the same Xero organization as another of your A2X accounts select it from the list below.
This will allow you to select your other A2X account to share Xero access with your current account.
The final step to is to click on the button Share Xero Access.
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