requirement to track spends for certain suppliers

Summary:

Hello All,
We have a requirement to track spends for certain suppliers in which client wants to tag suppliers with certain keywords (related parties). 
Additionally a report is needed with the info of GL distribution and open payables amount, based on each keyword tagged supplier.
Please let me know if there is a way to do it with out of the box functionalities.

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requirement to track spends for certain suppliers

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requirement to track spends for certain suppliers

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