Questions regarding AutoTrader

[BradKML]

1. Can AutoTrader backtest a singular strategy on multiple assets, or across multiple time periods?
2. Does AutoTrader include parameter optimization and validation testing (out-of-sample performance)?
3. Could feature selection (e.g. throwing in 100+ indicators) and other ML methods (e.g. gradient booster) be used with AutoTrader?
4. Is AutoTrader open to getting signals from outside of market pricing (e.g. news sentiment analysis)?