How to create a dynamically hidden header button?

<?php

namespace App\Filament\Resources\PurchaseRequisitionResource\Pages;

use App\Filament\Pages\CreatePurchaseOrderUsingPurchaseRequisition;
use App\Filament\Resources\PurchaseOrderResource;
use Filament\Pages\Actions;
use Filament\Pages\Actions\Action;
use Filament\Resources\Pages\ViewRecord;
use App\Filament\Resources\PurchaseRequisitionResource;

class ViewPurchaseRequisition extends ViewRecord
{
    protected static string $resource = PurchaseRequisitionResource::class;

    protected function getActions(): array
    {
        return [
            Actions\EditAction::make(),

            //  Custom action to redirect to Create Purchase Order page
            //  TO DO: Only show button in X case
            Action::make('Create Purchase Order')
                ->label(__('Create Purchase Order'))
                ->url(fn (): string => CreatePurchaseOrderUsingPurchaseRequisition::getUrl(['PRid' => $this->record->id]))
        ];
    }
}

<?php

namespace App\Filament\Resources\PurchaseRequisitionResource\Pages;

use App\Filament\Pages\CreatePurchaseOrderUsingPurchaseRequisition;
use App\Filament\Resources\PurchaseOrderResource;
use Filament\Pages\Actions;
use Filament\Pages\Actions\Action;
use Filament\Resources\Pages\ViewRecord;
use App\Filament\Resources\PurchaseRequisitionResource;

class ViewPurchaseRequisition extends ViewRecord
{
    protected static string $resource = PurchaseRequisitionResource::class;

    protected function getActions(): array
    {
        return [
            Actions\EditAction::make(),

            //  Custom action to redirect to Create Purchase Order page
            //  TO DO: Only show button in X case
            Action::make('Create Purchase Order')
                ->label(__('Create Purchase Order'))
                ->url(fn (): string => CreatePurchaseOrderUsingPurchaseRequisition::getUrl(['PRid' => $this->record->id]))
        ];
    }
}