Yes, standing up during conversations in a cigar lounge is allowed. Standing up can help create an atmosphere of respect and camaraderie between the members of the group, as well as allow for more freedom of movement and body language. It may be easier to converse with other guests if everyone is standing. However, it is important to note that standing should not disrupt or intrude on other conversations taking place in the lounge. Respectful conduct should always be observed when engaging with others inside a cigar lounge.