Does Stonefield Query work with Windows Terminal Server or Citrix?

Yes, it works the same on Windows Terminal Server or Citrix as it does a normal network server, with the same features and licensing.

Can you create formulas?

Yes, you can create formulas for a report using Formula Editor.

Can you suppress sections of the report?

Stonefield Query has a "summary report" feature that suppresses all detailed fields that have not been grouped. Also, you can use the Advanced Report Designer to change anything you wish in headers, footers, etc.

Can you parse string fields, such as looking for data in the first two positions of a field?

You can create a filter that uses the "contains" or "begins with" operator.