That would require a custom statistic - see this guide for the basics on custom statistics creation and this guide for a deeper walkthrough. There is also a thread here on the topic of 'vs Hero' custom statistics.

Did your name change between rooms? Make sure you have selected the correct player and that you do not have any filters that would prevent the hands from appearing otherwise please attach a screenshot of your entire PokerTracker 4 report window and a sample of your hands either here or privately in ...

The same issue I mentioned above applies here as well to the buyin. A statistic like that would still need to combine information from tournament data and from hands and there isn't a simple way to retrieve the total expected chips for a particular tournament and associate that with the buyin.

That sounds like a permissions issue so please follow the steps in this guide:

Guide: macOS Privacy & Security Requirements (Resetting permissions)

In cases where results information isn't included in the files provided by your poker site then you will need to manually edit your results in PokerTracker 4. If that information is included in your files or you are not sure then you can attach your examples to a Support Ticket.

I'd recommend using the 'Hero vs Villain' report in the 'Results' section as that uses data from hands where chips were exchanged between you and a specific villain. If you want to see all your hands where a specific player was dealt in a custom report then you can use this expression filter: cash_h...

Holdem Manager 3 HUD Profiles cannot be imported into PokerTracker 4.

If you don't have enough free space then any housekeeping may not be able to complete - it is ideal to have as much free space as the size of your largest database. If you have tried the housekeeping with enough free space then please turn on 'Enable Logging' in PokerTracker 4 via 'Configure -> Opti...

You opened a ticket in October and a technician replied to you asking for further information and I don't see any reply from you to date. You can access the Support Ticket and reply to it by visiting your My Account -> My Support Tickets page.

It is possible and the method for that is described in the post above.