Is this a problem worth
Yes. This is a pain felt by many but often owned by no one. And it can be very expensive.
Moreover, traditional requisition-to-reconciliation systems can't manage internal charge-backs or consolidate spend enterprise-wide. Supplier-sponsored technologies may seem like the answer, until your company has several of them. Consolidated reporting is impossible, and adoption falters because "there are six different systems and workflows for the five things I need to order..."