Often, yes — if space allows. However, we cannot guarantee specific seats, such as window or top-deck seats. Many Interrail and Eurail reservation systems don’t allow passengers to choose exact seats, and some train operators don’t offer seat selection at all, even for standard tickets.
That said, we always aim to reserve the best seats available. If you’re not completely happy with your seat once onboard, feel free to ask the conductor or train staff — they’re usually happy to help and may be able to find a more suitable option if one is available.