Hi João Salgado,
Yes positively possible. Please use transaction WE02 in your MM system and fill in the selection screen to the time when RPODDELVRY program is scheduled in your system.
Please refer Flow of SAP MM and SUS Portal for further assitance.
To re-trigger IDocs please use t-code BD87.
Hope you find IDoc Basics For Functional Consultants helpful.
Pardon my late response.
Regards,
Archit