Basic Question from a total Noob

I want to access MacBook running Excel(w/VBA) remotely from my iPhone.  ChatGBt led me here with the following advice (See Below):

Assuming I can figure all this out, will it work?   Any other steps or advice?   Thanks in Advance.

FROM ChatGBT)

Recommended setup:

1. Install Jump Desktop on the iPhone.
2. Install its Mac companion/host software on the MacBook.
3. Enable the required macOS permissions under System Settings → Privacy & Security → Accessibility andScreen Recording.
4. Configure the MacBook not to sleep when you need remote access.
5. Connect to the MacBook and run Excel normally.