Suppliers
Purchasing → Suppliers → Add supplier. Fill company details and bank info. Avoid duplicates.
Articles
Purchasing → Articles (hub may say Purchase articles). Add article, link to warehouse product if needed.
Accountable persons and expense reports
Accountable persons and Accountable persons’ expense reports under Purchasing. Create expense reports, add lines, submit/approve, then settle. Liabilities report: Liabilities to accountable persons.
Related: Purchase orders, Purchase invoices, Purchasing — overview.