Need help with a TAX Form and how to check if balance is owed to IRS

If anyone would be so kind to help, there are two questions I would like clarification on:

Here is the TAX Form in question (personal details redacted): … dacted.png

1. Does a person who had received a number of these 1042-S forms between the years 2011 - 2015 owe any additional TAX to the US Tax System?

2. Is there any action needed at this point, and how one can check that these documents had not resulted in the person owing money to the USA?

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