Reach Optimization is only available with the max delivery bidding option.

Explanation: The correct answer is **False**. Reach Optimization is a feature available within LinkedIn's advertising platform that allows advertisers to optimize their campaigns for maximum reach among their target audience. While Reach Optimization can be used in conjunction with the maximum delivery bidding option, it is not exclusively tied to this bidding strategy. Instead, Reach Optimization can be applied across various bidding strategies, including maximum delivery bidding as well as cost per click (CPC) or cost per impression (CPM) bidding options. With Reach Optimization, advertisers can prioritize reaching as many members of their target audience as possible within their specified budget, maximizing the campaign's visibility and impact. By leveraging Reach Optimization, advertisers can effectively expand their campaign's reach and increase exposure to their target audience, regardless of the chosen bidding strategy. Therefore, the statement that Reach Optimization is only available with the max delivery bidding option is false, as it can be utilized with other bidding options as well, providing advertisers with flexibility in optimizing their campaigns for maximum reach and effectiveness.