Award Manager should have Edit access on Award Budget only, not on Funding

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Award Manager should have Edit access on Award Budget only, not on Funding. Is there any way we can restrict this using the custom role?

for budget you can do Grants Management>Manage Awards>select the award>edit budget on this dropdown: 

 for funding, you have to click edit on the award and go to the third "trainstop" at the top top of the screen titled Funding where you can add/edit funding. Can we we restrict access to this trainstop or to edit any funding?

 for budget you can do Grants Management>Manage Awards>select the award>edit budget on this dropdown: 📷