Yes, you can do that.
Step 1: In the search bar, enter the name of the community you wish to post your question to by adding @ in front the group name
@vicollege for VI College Full Edition Program Graduates
@visubscriber for VI App Subscriber
Step 2: Type your question into the field at the top of the page.
Step 3: Once you're done typing, tap on the relevant tags tag so that your questions will be directed to the right people, and tap "Post". One of the VI Coaches or another community member will be able to help you or comment from there.
*If it is directly related to specific company, enter $ followed by the company ticker, so those who are also looking into the same company may also contribute :)