@Larry YE Thanks for the question. Currently No control over hyperparameter tuning in Model Training.
• DNN learners supported for forecasting
Please follow the below resources for understanding of Automated ML capabilities as well as forecasting using Automated ML.
Resources:
Automated ML Forecasting Blog
Automated ML Forecasting How-to
Automated ML Charts & Metrics
GitHub Sample Notebooks
Have questions or feedback? Let us know by reaching out to, AskAutomatedML@microsoft.com