1. A method comprising: receiving, at a computerized device, a selection of a first portion of content in a source layer of a multi-layer document, wherein a source redaction region is defined by the selection of the first portion; and applying, at the computerized device, a redaction function to redact the first portion of content from the source layer; and in response to applying the redaction function, via the computerized device, automatically: identifying a second portion of content for redaction in a target layer, the target layer graphically situated in an overlapping configuration with the source layer in the multi-layer document, wherein content associated with a target redaction region in the target layer is identified as the second portion of content, the target redaction region identified in the target layer based on the target redaction region in the target layer coinciding with the source redaction region defined by the selection in the source layer in which the first portion of content was redacted; and applying the redaction function to redact the second portion of content from the target layer.