Chat Discussion software for purchase handling

Job ID: 33075124

Budget: $30 – $250 USD

i am looking for a software similar like Odoo ( Odoo modification or some other similar to use through web)

( link must have access through mobile also )

where i can have access with multi user creation ,
and when the admin user creates a purchase request assigning with the required users and sourcing attachment

it must show in the dashboard .

and any discussions for that particular RFQ will be opened in the chat discussion box

and when a file is chosen as approved , that file will stored as final one .

Attached document for understanding example ( created /modified from Odoo)
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