<tbody>
        @foreach ($pendingDocumentLists as $list)
        <tr class = "info">

        <td>{{ $list->title }}</td>

        <td>

        @if (Auth::id() == $list->approver_id)

        <form class = "form-inline" method = "post" action = "{{ route ('document.pending', $list->id) }}">


                <div class = "form-group">
                    <a href = "{{ route ('document.pending', $list->id) }}">
                        <input type = "checkbox" name = "approve" value = "yes">
                            <strong>Approve</strong>
                        </input>
                    </a>
                </div>

                <div class = "form-group">

                    <a href = "{{ route ('document.pending', $list->id) }}">
                    <input type = "checkbox" name = "reject">
                        <strong>Reject</strong>
                    </input>
                   </a>
                </div>

        </form>
            @endif
            </td>
        </tr>
    @endforeach
</tbody>

public function updateIsApprove($id)
{
    $document = Document::find($id);

    if($approve == "yes")
    {
        $document->isApprove = 1;
        $document->save();
    }
}

Route::get('/documents/pending',
[
   'uses' => 'AppHttpControllersDocumentController@documentsSentForApproval',
   'as' => 'document.pending',
]);

Route::post('/documents/pending/approve/{id}',
[
  'uses' => 'AppHttpControllersDocumentController@updateIsApprove',
  'as' => 'document.pending',
]);