Yes! However, they’ll check your credit history and only approve your application if they think you can repay your loan with them alongside your other existing loans.
In some cases, yes. They can contact your employer to verify personal details and financial situation.
Bank statements are collected as part of assessing the loan affordability when you apply for a loan. However, these are read-only bank statements to help their professional assessors make a decision about your loan application. The bank statements are also securely stored as long as necessary.