Internet expenses questions

Dear Experts

I have few questions please:

1. can we show an expenses report for a specific users on internet expenses with out defining many operating units? if yes please guide me to subject that will help.

2. can we transfer the expenses reports amounts to payroll instead of payable system? if yes what is the most proper solution?

3. can we select special information to a line of the expenses reports when selected? what is the most suitable solution for this?

thanks