thanks for your inquiry and thanks for using our agile multiple seller module
First of all, if you want to charge seller commissions, you will need following module - agile seller commission
And it depends on what payment collection mode you are going to run your store, you may need other payment modules.
If you choose store collects payment - you can use any payment module, you do not need purchase additional modules.
If you choose seller collects payment or seller and store collects payment together, you will need a customized/integrated payment module.
See here for more details.
http://addons-modules.com/store/en/cont ... r-and-agilAnd here for payment collection mode:
http://addons-modules.com/store/en/cont ... dor-moduleIf you using Paypal, I suggest you use Agile Paypal adaptive module, it will split customer seller into both seller and store account automatically.