These two features will be unavailable in BAI from January 2016, however they will be accessible within the Bing Ads web UI.
Users can find Auction Insights in the “Details” drop-down menu in the Campaigns, Ad Groups and Keywords tabs. Insights can also be exported as a report.
You can find Broad Match Opportunities in the Bing Ads Web UI in “Opportunities” tab along with keywords and potential search queries.
Bing Drops Auction Insights and Opportunities Tabs from Bing Ads Intelligence!,