The phrase "allowed to boost their" is correct and usable in written English.
It can be used in contexts where permission is granted to enhance or increase something, typically referring to performance, capabilities, or resources.
Example: "Employees are allowed to boost their productivity by utilizing flexible work hours."
Alternatives: "permitted to enhance their" or "authorized to increase their".
Actions such as those that ripped into Norwegian society on Friday cannot be allowed to boost the support of those advocating division, discrimination and violence.
Bankers are allowed to boost the money supply due to the evils of fractional reserve banking.
This temperature dependent activity can be advantageous to reduce expression during the initial growth phase and at later production phase it allows to boost expression of the recombinant gene.
They are now more powerful and influential than ever and lawmakers have allowed them to boost their strength and numbers.
The Islamic State's policy of sectarian attacks and attempts to create outright chaos have spooked Iraq's leaders, and allowed militias to boost their strength and numbers.
They are starting to receive substantial funds from Kosovo and from the Albanian diaspora allowing them to boost their numbers and their weapons supplies, according to one senior official in the NATO-led peacekeeping force in Kosovo.
If anyone is assuming that Romania will simply roll over and allow England to boost their points difference, though, they should have a word with the Romanian captain, Marius Tincu.
"This packaging of inappropriate titles such as She and Coast with Harper's Bazaar, bundled in plastic bags, will allow Bazaar to boost their numbers in the forthcoming ABCs.
It is developing smartphone software for a variety of third-party devices, allowing users to boost their home's temperature, unlock their front door and check in on security devices, among other tasks, from a single interface.
The Islamic State's policy of sectarian attacks and attempts to create outright chaos have scared Iraq's leaders into allowing militias to boost their strength and numbers.
