Yes! Repayments that you receive will show up in your wallet. Any funds that are available in your wallet will be used when you choose to invest in any active loan.
Please note that this is currently a manual process, which means that any repayment in your wallet will not be automatically invested - you will need to manually go through the investment process for an active loan and apply your outstanding wallet balance at the time of the investment.
Your funds can also be withdrawn to your bank account. You can withdraw money by heading to your Dashboard and the tab Transactions where you'll find a "Withdraw" button in the right corner.