1) Losses offset income, not taxes. If you have a loss you can recognize, it will reduce your income, so if you are in the 20% tax rate, a $1,000 loss means $200 less taxes.
2) You reference NOL (Net Operating Losses) and the 8582 - which is for Passive Activities. Net Operating Losses are when your taxable income is negative and there are special rules to compute how much of that is carried forward to the next year as a NOL. On the the other hand, 8582's show Passive Income and Losses - if you had net PAL that you could not use - i.e. suspended, it is shown on that form and carried forward to the next year's 8582. I would look at your 8582 for 2019 and see if all your losses were allowed to be used.
