Just provide the accounts numbers to support.
You need just 1 account demo but with bigger deposit. You can test many variants of settings.
Test with no worries, just use quality data for testing, we advise Tick Data Studio.
You can use the same charts and timeframes but with different trading robot settings. You will only need to use unique Magic Number in parameters for linking exact settings with the exact trades.
You need a high model quality 99 or 99.9%, anything lower is going to be deceiving.