What is an advantage of using Adobe Media Encoder for exports?

Using Adobe Media Encoder for exports offers the significant advantage of allowing for batch exporting and enabling a continued workflow. This means that you can queue multiple projects or compositions to export all at once, which is particularly beneficial for efficiency. While Adobe After Effects can export directly, using Media Encoder streamlines the process by permitting users to continue working on other projects or tasks while the exporting takes place in the background. This multitasking capability is crucial in professional environments where time management and productivity are essential.

The other options do not accurately reflect the primary advantages of using Adobe Media Encoder. For instance, it does not automate the creation of compositions; its purpose is more focused on encoding and exporting media. Additionally, while high quality outputs can be achieved, the encoder itself doesn't inherently increase quality beyond what is already achievable in After Effects, as quality is more closely tied to the original composition settings and chosen export parameters. Lastly, the requirement of system memory depends on various factors such as the project size, but Adobe Media Encoder is designed to be efficient rather than specifically low on memory usage. Therefore, the option highlighting batch exporting accurately captures a key benefit of using Adobe Media Encoder.