Is it feasible to have a single ledger and legal entity with multiple BUs based on country?

Is it feasible to have a single ledger and legal entity with multiple BUs based on country? What would be the Prons and Cons of doing so? For example, if it has an impact on the banks, access, security, etc?

Are the below cases can be done following the above structure?

CASE1: Country Office invoice paid from C/USA HQ bank account

1. Create invoice in Turkey Payables
2. Pay the invoice in Turkey with USA HQ bank account

CASE2: Country Office incurring expenses of behalf of other BUs

1. Create invoice in Philippines Payables
2. Accrual - entered by AP data entry (Business Unit PH process invoice being able to charge the Business Unit US)