"grants approval" is correct and usable in written English.
You might use this phrase when referring to someone who has been given authority or permission to proceed with an action. For example, "The board granted approval of the project."
Sometimes the federal government grants approval, but the project gets held up elsewhere.
Until the FSA grants approval, Metro can't start taking customers, although it is known that the regulator is keen to introduce greater competition into the UK banking sector.
The American military has assembled a considerable number of ships, helicopters, transport airplanes and marines in the region to assist in cyclone relief if the government of Myanmar grants approval.
It meets our fundamental objective: a substantial increase in our equity base, with the prospect of the French state becoming a shareholder if the European Commission, following its review, grants approval".
The FDA also sometimes grants approval to acquire drugs from other countries that are not available in the United States if a life-threatening situation seems to warrant this action.
If FDA eventually grants approval, presumably some doctors would use it for "off-label" purposes, such as testing people they already suspect have Alzheimer's or screening people with mild memory impairments.
Another requirement stipulated that Bertram approve library plans prior to grant approval or construction.
The Justice Department granted approval in 2005.
Critics note that local school boards have repeatedly granted approval for charters.
The decision, in which Khomeini granted approval, is well known across the country.
Los Angeles County took longer to scrutinize Fortress's background before granting approval.
